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Sponsored
$189.99
Greenlee 660 6-Piece Quick Change Carbide-Tipped Hole Cutter Set, 7/8" - 2"
Amazon.com
725
Free shipping
$189.99
Greenlee 660 6-Piece Quick Change Carbide-Tipped Hole Cutter Set, 7/8" - 2"
Amazon.com
725
$73.52
RACO 232 4 in. Square Electrical Box, 2-1/8-Inch Deep, 1/2-In. And 3/4-In. Side Knockouts, Welded, Gray, 25-Pack
Amazon.com
856
Free shipping
$73.52
RACO 232 4 in. Square Electrical Box, 2-1/8-Inch Deep, 1/2-In. And 3/4-In. Side Knockouts, Welded, Gray, 25-Pack
Amazon.com
856
$1,355.10
Greenlee Knockout Tool Kit: 18V DC, 4 in Punching Capacity (Steel), For 10 Ga Max. Steel Thick Model: LS50L11A
Grainger
2
$1,355.10
Greenlee Knockout Tool Kit: 18V DC, 4 in Punching Capacity (Steel), For 10 Ga Max. Steel Thick Model: LS50L11A
Grainger
2
$1.09
Raco Threaded Metal Connector: Die Cast Zinc, 1/2 in Trade Size, Clamp Style, 13/16 in Overall Lg Model: 2711
Grainger
$1.09
Raco Threaded Metal Connector: Die Cast Zinc, 1/2 in Trade Size, Clamp Style, 13/16 in Overall Lg Model: 2711
Grainger
$14.54
Taymac SB3100S Weatherproof Box, 1-Gang, (3) 1-Inch Outlets, Gray
Amazon.com
134
$14.54
Taymac SB3100S Weatherproof Box, 1-Gang, (3) 1-Inch Outlets, Gray
Amazon.com
134
$268.59
Steel City 521511234EW Square Box 21 Cu.In. With Eccentric Knockouts
Voomi Supply
110
$268.59
Steel City 521511234EW Square Box 21 Cu.In. With Eccentric Knockouts
Voomi Supply
110
$11.97
Raco Hubbell 680 2-Device, 2-1/8-Inch Deep, 1/2-Inch Side Knockouts 4-Inch Square Switch Box, Drawn, Silver,Gray
Amazon.com
188
$11.97
Raco Hubbell 680 2-Device, 2-1/8-Inch Deep, 1/2-Inch Side Knockouts 4-Inch Square Switch Box, Drawn, Silver,Gray
Amazon.com
188
$130.36
Hubbell-Raco 660 Handy Box, 4" X 2", 1-7/8" Depth 1/2" Knockout 2-1/8" Deep Drawn (Pack Of 50) Silver
Amazon.com
5
Free shipping
$130.36
Hubbell-Raco 660 Handy Box, 4" X 2", 1-7/8" Depth 1/2" Knockout 2-1/8" Deep Drawn (Pack Of 50) Silver
Amazon.com
5
$29.95
Breville The Knock Box(TM) 10, Small
Williams Sonoma
108
Free shipping
$29.95
Breville The Knock Box(TM) 10, Small
Williams Sonoma
108
$6.42
Raco Electrical Box: Steel, Steel - 4" X 4" Square Box Material & Nominal Size, Square, 2 Gangs Model: 232
Grainger
$6.42
Raco Electrical Box: Steel, Steel - 4" X 4" Square Box Material & Nominal Size, Square, 2 Gangs Model: 232
Grainger
$12.22
Hubbell-Bell 5332-0 Weatherproof Electrical Box, 1 Gang, 18.3 Cu-In, 4-1/2 in L X 2-3/4 in W X 2 in D, 3/4 Inch, Gray
Amazon.com
27
$12.22
Hubbell-Bell 5332-0 Weatherproof Electrical Box, 1 Gang, 18.3 Cu-In, 4-1/2 in L X 2-3/4 in W X 2 in D, 3/4 Inch, Gray
Amazon.com
27
$11.30
Hubbell-Raco 506 Switch Box In 3 X 2-Inch Gangable 2-1/2-Inch. Deep, Eight 1/2-Inch. Knockouts, Old Work, Plaster Ears, Gray Finish
Amazon.com
212
$11.30
Hubbell-Raco 506 Switch Box In 3 X 2-Inch Gangable 2-1/2-Inch. Deep, Eight 1/2-Inch. Knockouts, Old Work, Plaster Ears, Gray Finish
Amazon.com
212
$12.49
Raco Electrical Box: Steel, Steel Material & Nominal Size, 1 Gangs, 2 1/2 in Box Dp, 2 5/8 in Box Wd Model: 509
Grainger
3
$12.49
Raco Electrical Box: Steel, Steel Material & Nominal Size, 1 Gangs, 2 1/2 in Box Dp, 2 5/8 in Box Wd Model: 509
Grainger
3
$8.26
Raco Electrical Box: Steel, Steel Material & Nominal Size, 1 Gangs, 3 1/2 in Box Dp, 2 in Box Wd Model: 591
Grainger
$8.26
Raco Electrical Box: Steel, Steel Material & Nominal Size, 1 Gangs, 3 1/2 in Box Dp, 2 in Box Wd Model: 591
Grainger
$7.23
Raco 804C Square Exposed Work Cover, Blank, No Holes, 4"
Amazon.com
59
$7.23
Raco 804C Square Exposed Work Cover, Blank, No Holes, 4"
Amazon.com
59
$10.83
Raco Electrical Box: Steel, Steel Material & Nominal Size, Round, 2 Gangs, 1/2 in Box Dp, 4 in Dia. Model: 295-1
Grainger
2
$10.83
Raco Electrical Box: Steel, Steel Material & Nominal Size, Round, 2 Gangs, 1/2 in Box Dp, 4 in Dia. Model: 295-1
Grainger
2
$131.78
Hubbell-Raco 944 (5) Gang 2-1/2-Inch Deep Welded Gang Electrical Box With (6) 3/4-Inch, (8) Concentric 1/2-Inch And 3/4-Inch Knockouts
Amazon.com
Free shipping
$131.78
Hubbell-Raco 944 (5) Gang 2-1/2-Inch Deep Welded Gang Electrical Box With (6) 3/4-Inch, (8) Concentric 1/2-Inch And 3/4-Inch Knockouts
Amazon.com
Free shipping
$145.71
Hoffman Enclosure: 6 in Nominal Ht, 6 in Nominal Wd, 4 in Nominal Dp, 8 in Overall Ht, 12/13, Steel Model: A606CHQR
Grainger
$145.71
Hoffman Enclosure: 6 in Nominal Ht, 6 in Nominal Wd, 4 in Nominal Dp, 8 in Overall Ht, 12/13, Steel Model: A606CHQR
Grainger
$21.48
Raco Electrical Box: Steel, Square, 2 Gangs, 3 1/4 in Box Dp, 4 11/16 in Box Wd, 4 11/16 in Box Ht Model: 260
Grainger
$21.48
Raco Electrical Box: Steel, Square, 2 Gangs, 3 1/4 in Box Dp, 4 11/16 in Box Wd, 4 11/16 in Box Ht Model: 260
Grainger
$4.78
$5.30
Raco 660 Electrical Box, Handy, 13.0 Cu. In.
Zoro.com
1
$4.78
$5.30
Raco 660 Electrical Box, Handy, 13.0 Cu. In.
Zoro.com
1
$29.48
Raco Switch Box 18.0 Cu In 4 Side Knockouts 1/2 " Steel Bulk
Walmart
Free shipping
$29.48
Raco Switch Box 18.0 Cu In 4 Side Knockouts 1/2 " Steel Bulk
Walmart
Free shipping
$953.99
Greenlee 7904-E Quick Draw 90 Hydraulic Punch Driver Kit
Zoro.com
$953.99
Greenlee 7904-E Quick Draw 90 Hydraulic Punch Driver Kit
Zoro.com
$380.95
RACO 181 4 Square Box, 1-1/2 Deep, 3/4 Side Knockouts, Welded
Voomi Supply
$380.95
RACO 181 4 Square Box, 1-1/2 Deep, 3/4 Side Knockouts, Welded
Voomi Supply
$2.39
Steel City 52151 4 X 1-1/2in Steel Square Box W/ 1/2in And 3/4in Knockouts
Lite Store USA
$2.39
Steel City 52151 4 X 1-1/2in Steel Square Box W/ 1/2in And 3/4in Knockouts
Lite Store USA
$3.71
Hole Plug: Nylon, For 0.88 in Hole Dia, 0.13 in Head Dia, For 0.13 in Panel Thick [PK/10] Model: 1EMR2
Grainger
$3.71
Hole Plug: Nylon, For 0.88 in Hole Dia, 0.13 in Head Dia, For 0.13 in Panel Thick [PK/10] Model: 1EMR2
Grainger
$30.99
Hicarer 10 Pcs R 4" Round Shallow Electrical Box Pancake Electrical Box Ceiling Fan Box With 1/2" Deep 1/2" Bottom Knockout For Ceiling Fan Wall
Amazon.com
9
$30.99
Hicarer 10 Pcs R 4" Round Shallow Electrical Box Pancake Electrical Box Ceiling Fan Box With 1/2" Deep 1/2" Bottom Knockout For Ceiling Fan Wall
Amazon.com
9
$33.00
RACO 911-1 Square Box Steel 40.5 Cu-In 14 Knockouts
Voomi Supply
$33.00
RACO 911-1 Square Box Steel 40.5 Cu-In 14 Knockouts
Voomi Supply
$70.09
Wiegmann SC121504 SC-Series NEMA 1 Screw Cover Wallmount Pull Box With Knockouts, Painted Steel, 15" X 12" X 4"
Amazon.com
2
Free shipping
$70.09
Wiegmann SC121504 SC-Series NEMA 1 Screw Cover Wallmount Pull Box With Knockouts, Painted Steel, 15" X 12" X 4"
Amazon.com
2
$164.39
Pass And Seymour 2-Gang Yellow Rubber Box 1 3/4 Knock Out Deep (3200)
Lighting Supply
$164.39
Pass And Seymour 2-Gang Yellow Rubber Box 1 3/4 Knock Out Deep (3200)
Lighting Supply
$30.99
Hicarer 10 Pcs 293 4" Round Shallow Electrical Box With 1/2" Deep 1/2" Bottom Knockouts Ceiling Electrical Box Galvanized Steel Pancake Box For
Amazon.com
$30.99
Hicarer 10 Pcs 293 4" Round Shallow Electrical Box With 1/2" Deep 1/2" Bottom Knockouts Ceiling Electrical Box Galvanized Steel Pancake Box For
Amazon.com
$36.91
(Pack Of 10) 4X2 Inch Utility Size Single Gang Electrical Box, Handy Box, Ten 1/2 Inch Knockouts, Raised Ground, 13 Cu. In. Capacity, 1-7/8" Deep,
Amazon.com
88
Free shipping
$36.91
(Pack Of 10) 4X2 Inch Utility Size Single Gang Electrical Box, Handy Box, Ten 1/2 Inch Knockouts, Raised Ground, 13 Cu. In. Capacity, 1-7/8" Deep,
Amazon.com
88
$613.93
RACO 211 Square Box Steel 21 Cu-In (11 Knockouts)
Voomi Supply
$613.93
RACO 211 Square Box Steel 21 Cu-In (11 Knockouts)
Voomi Supply
$28.99
Qlvily 8 Packs 4 X 2 Inch Metal Electrical Box With Bracket, 1/2 Inch End Knockouts Electrical Box, Wood/Metal Stud Bracket Welded, Junction Box
Amazon.com
1
$28.99
Qlvily 8 Packs 4 X 2 Inch Metal Electrical Box With Bracket, 1/2 Inch End Knockouts Electrical Box, Wood/Metal Stud Bracket Welded, Junction Box
Amazon.com
1
$1.45
Raco Knockout Plug: 1 1/4 in For Conduit Size, Steel, Silver, Junction Boxes/Panel Boards Model: 1045
Grainger
$1.45
Raco Knockout Plug: 1 1/4 in For Conduit Size, Steel, Silver, Junction Boxes/Panel Boards Model: 1045
Grainger
$9.29
Raco 697 Electrical Box, 67.3 Cu In, Masonry Box, 3 Gang, Steel, Rectangular
Zoro.com
$9.29
Raco 697 Electrical Box, 67.3 Cu In, Masonry Box, 3 Gang, Steel, Rectangular
Zoro.com
$14.98
$16.50
Raco 8663 Handy Box, 1-Gang, 7-Knockout, 3/4 in Knockout, Steel, Gray
Zoro.com
14
$14.98
$16.50
Raco 8663 Handy Box, 1-Gang, 7-Knockout, 3/4 in Knockout, Steel, Gray
Zoro.com
14
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    Shop knockout logo

    Sponsored
    $189.99
    Greenlee 660 6-Piece Quick Change Carbide-Tipped Hole Cutter Set, 7/8" - 2"
    Amazon.com
    725
    Free shipping
    $189.99
    Greenlee 660 6-Piece Quick Change Carbide-Tipped Hole Cutter Set, 7/8" - 2"
    Amazon.com
    725
    $73.52
    RACO 232 4 in. Square Electrical Box, 2-1/8-Inch Deep, 1/2-In. And 3/4-In. Side Knockouts, Welded, Gray, 25-Pack
    Amazon.com
    856
    Free shipping
    $73.52
    RACO 232 4 in. Square Electrical Box, 2-1/8-Inch Deep, 1/2-In. And 3/4-In. Side Knockouts, Welded, Gray, 25-Pack
    Amazon.com
    856
    $1,355.10
    Greenlee Knockout Tool Kit: 18V DC, 4 in Punching Capacity (Steel), For 10 Ga Max. Steel Thick Model: LS50L11A
    Grainger
    2
    $1,355.10
    Greenlee Knockout Tool Kit: 18V DC, 4 in Punching Capacity (Steel), For 10 Ga Max. Steel Thick Model: LS50L11A
    Grainger
    2
    $1.09
    Raco Threaded Metal Connector: Die Cast Zinc, 1/2 in Trade Size, Clamp Style, 13/16 in Overall Lg Model: 2711
    Grainger
    $1.09
    Raco Threaded Metal Connector: Die Cast Zinc, 1/2 in Trade Size, Clamp Style, 13/16 in Overall Lg Model: 2711
    Grainger
    $14.54
    Taymac SB3100S Weatherproof Box, 1-Gang, (3) 1-Inch Outlets, Gray
    Amazon.com
    134
    $14.54
    Taymac SB3100S Weatherproof Box, 1-Gang, (3) 1-Inch Outlets, Gray
    Amazon.com
    134
    $268.59
    Steel City 521511234EW Square Box 21 Cu.In. With Eccentric Knockouts
    Voomi Supply
    110
    $268.59
    Steel City 521511234EW Square Box 21 Cu.In. With Eccentric Knockouts
    Voomi Supply
    110
    $11.97
    Raco Hubbell 680 2-Device, 2-1/8-Inch Deep, 1/2-Inch Side Knockouts 4-Inch Square Switch Box, Drawn, Silver,Gray
    Amazon.com
    188
    $11.97
    Raco Hubbell 680 2-Device, 2-1/8-Inch Deep, 1/2-Inch Side Knockouts 4-Inch Square Switch Box, Drawn, Silver,Gray
    Amazon.com
    188
    $130.36
    Hubbell-Raco 660 Handy Box, 4" X 2", 1-7/8" Depth 1/2" Knockout 2-1/8" Deep Drawn (Pack Of 50) Silver
    Amazon.com
    5
    Free shipping
    $130.36
    Hubbell-Raco 660 Handy Box, 4" X 2", 1-7/8" Depth 1/2" Knockout 2-1/8" Deep Drawn (Pack Of 50) Silver
    Amazon.com
    5
    $29.95
    Breville The Knock Box(TM) 10, Small
    Williams Sonoma
    108
    Free shipping
    $29.95
    Breville The Knock Box(TM) 10, Small
    Williams Sonoma
    108
    $6.42
    Raco Electrical Box: Steel, Steel - 4" X 4" Square Box Material & Nominal Size, Square, 2 Gangs Model: 232
    Grainger
    $6.42
    Raco Electrical Box: Steel, Steel - 4" X 4" Square Box Material & Nominal Size, Square, 2 Gangs Model: 232
    Grainger
    $12.22
    Hubbell-Bell 5332-0 Weatherproof Electrical Box, 1 Gang, 18.3 Cu-In, 4-1/2 in L X 2-3/4 in W X 2 in D, 3/4 Inch, Gray
    Amazon.com
    27
    $12.22
    Hubbell-Bell 5332-0 Weatherproof Electrical Box, 1 Gang, 18.3 Cu-In, 4-1/2 in L X 2-3/4 in W X 2 in D, 3/4 Inch, Gray
    Amazon.com
    27
    $11.30
    Hubbell-Raco 506 Switch Box In 3 X 2-Inch Gangable 2-1/2-Inch. Deep, Eight 1/2-Inch. Knockouts, Old Work, Plaster Ears, Gray Finish
    Amazon.com
    212
    $11.30
    Hubbell-Raco 506 Switch Box In 3 X 2-Inch Gangable 2-1/2-Inch. Deep, Eight 1/2-Inch. Knockouts, Old Work, Plaster Ears, Gray Finish
    Amazon.com
    212
    $12.49
    Raco Electrical Box: Steel, Steel Material & Nominal Size, 1 Gangs, 2 1/2 in Box Dp, 2 5/8 in Box Wd Model: 509
    Grainger
    3
    $12.49
    Raco Electrical Box: Steel, Steel Material & Nominal Size, 1 Gangs, 2 1/2 in Box Dp, 2 5/8 in Box Wd Model: 509
    Grainger
    3
    $8.26
    Raco Electrical Box: Steel, Steel Material & Nominal Size, 1 Gangs, 3 1/2 in Box Dp, 2 in Box Wd Model: 591
    Grainger
    $8.26
    Raco Electrical Box: Steel, Steel Material & Nominal Size, 1 Gangs, 3 1/2 in Box Dp, 2 in Box Wd Model: 591
    Grainger
    $7.23
    Raco 804C Square Exposed Work Cover, Blank, No Holes, 4"
    Amazon.com
    59
    $7.23
    Raco 804C Square Exposed Work Cover, Blank, No Holes, 4"
    Amazon.com
    59
    $10.83
    Raco Electrical Box: Steel, Steel Material & Nominal Size, Round, 2 Gangs, 1/2 in Box Dp, 4 in Dia. Model: 295-1
    Grainger
    2
    $10.83
    Raco Electrical Box: Steel, Steel Material & Nominal Size, Round, 2 Gangs, 1/2 in Box Dp, 4 in Dia. Model: 295-1
    Grainger
    2
    $131.78
    Hubbell-Raco 944 (5) Gang 2-1/2-Inch Deep Welded Gang Electrical Box With (6) 3/4-Inch, (8) Concentric 1/2-Inch And 3/4-Inch Knockouts
    Amazon.com
    Free shipping
    $131.78
    Hubbell-Raco 944 (5) Gang 2-1/2-Inch Deep Welded Gang Electrical Box With (6) 3/4-Inch, (8) Concentric 1/2-Inch And 3/4-Inch Knockouts
    Amazon.com
    Free shipping
    $145.71
    Hoffman Enclosure: 6 in Nominal Ht, 6 in Nominal Wd, 4 in Nominal Dp, 8 in Overall Ht, 12/13, Steel Model: A606CHQR
    Grainger
    $145.71
    Hoffman Enclosure: 6 in Nominal Ht, 6 in Nominal Wd, 4 in Nominal Dp, 8 in Overall Ht, 12/13, Steel Model: A606CHQR
    Grainger