Knockout Closers
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Part #GB KO702 3/4" HOLESEAL 50/BX Gardner Bender Knockout Seal, 3/4 in, For Use With: Unused Box Knockout, Steel, Galvanized
MFG #KO702
247 in Stock. More available 03/05/2026
$2.04/EA
Part #GB KO701 1/2" HOLESEAL 100/BX KNOCKOUT SEAL Gardner Bender, KO701, Knockout Seal, Bolt-On, 1/2 in Hole, 1/2 in Conduit, For Use With: Box Knockout, Steel, Galvanized, Silver
MFG #KO701
552 in Stock. More available 03/05/2026
$1.56/EA
Part #GB KO703 1" HOLESEAL 25/BX Gardner Bender, KO703, Knockout Seal, Bolt-On, 1 in Hole, 1 in Conduit, For Use With: Box Knockout, Steel, Galvanized, Silver
MFG #KO703
124 in Stock. More available 03/05/2026
$2.95/EA
Part #GB KO708 3" HOLESEAL 10/BX Gardner Bender, KO708, Knockout Seal, Bolt-On, 3 in Hole, 3 in Conduit, For Use With: Box Knockout, Steel, Galvanized, Silver
MFG #KO708
39 in Stock. More available 03/05/2026
$10.56/EA
Part #GB KO707 2-1/2" HOLESEAL 10/BX Gardner Bender, KO707, Knockout Seal, Bolt-On, 2-1/2 in Hole, 2-1/2 in Conduit, For Use With: Box Knockout, Steel, Galvanized, Silver
MFG #KO707
31 in Stock. More available 03/06/2026
$8.72/EA
Part #GB KO704 1-1/4" HOLESEAL 25/BX Gardner Bender, KO704, Knockout Seal, Bolt-On, 1-1/4 in Hole, 1-1/4 in Conduit, For Use With: Box Knockout, Steel, Galvanized, Silver
MFG #KO704
52 in Stock. More available 03/05/2026
$3.82/EA
Part #GB KO705 1-1/2" HOLESEAL 10/BX Gardner Bender, KO705, Knockout Seal, Bolt-On, 1-1/2 in Hole, 1-1/2 in Conduit, For Use With: Box Knockout, Steel, Galvanized, Silver
MFG #KO705
36 in Stock. More available 03/05/2026
$5.91/EA
Part #GB KO706 2" HOLESEAL 10/BX Gardner Bender Knockout Seal, For Use With: Unused Box Knockout, 2 in OD, Steel, Galvanized
MFG #KO706
46 in Stock. More available 02/16/2026 and 03/05/2026
$7.33/EA
Part #GB KO710 4" HOLESEAL 10/BX Gardner Bender, KO710, Knockout Seal, Bolt-On, 4 in Hole, 4 in Conduit, For Use With: Box, Steel, Galvanized, Silver
MFG #KO710
25 in Stock. More available 03/05/2026
$16.07/EA
Part #GB KO702 3/4" HOLESEAL 50/BX Gardner Bender Knockout Seal, 3/4 in, For Use With: Unused Box Knockout, Steel, Galvanized
MFG #KO702
247 in Stock. More available 03/05/2026
$2.04/EA
Part #GB KO701 1/2" HOLESEAL 100/BX KNOCKOUT SEAL Gardner Bender, KO701, Knockout Seal, Bolt-On, 1/2 in Hole, 1/2 in Conduit, For Use With: Box Knockout, Steel, Galvanized, Silver
MFG #KO701
552 in Stock. More available 03/05/2026
$1.56/EA
Part #GB KO703 1" HOLESEAL 25/BX Gardner Bender, KO703, Knockout Seal, Bolt-On, 1 in Hole, 1 in Conduit, For Use With: Box Knockout, Steel, Galvanized, Silver
MFG #KO703
124 in Stock. More available 03/05/2026
$2.95/EA
Part #GB KO708 3" HOLESEAL 10/BX Gardner Bender, KO708, Knockout Seal, Bolt-On, 3 in Hole, 3 in Conduit, For Use With: Box Knockout, Steel, Galvanized, Silver
MFG #KO708
39 in Stock. More available 03/05/2026
$10.56/EA
Part #GB KO707 2-1/2" HOLESEAL 10/BX Gardner Bender, KO707, Knockout Seal, Bolt-On, 2-1/2 in Hole, 2-1/2 in Conduit, For Use With: Box Knockout, Steel, Galvanized, Silver
MFG #KO707
31 in Stock. More available 03/06/2026
$8.72/EA
Part #GB KO704 1-1/4" HOLESEAL 25/BX Gardner Bender, KO704, Knockout Seal, Bolt-On, 1-1/4 in Hole, 1-1/4 in Conduit, For Use With: Box Knockout, Steel, Galvanized, Silver
MFG #KO704
52 in Stock. More available 03/05/2026
$3.82/EA
Part #GB KO705 1-1/2" HOLESEAL 10/BX Gardner Bender, KO705, Knockout Seal, Bolt-On, 1-1/2 in Hole, 1-1/2 in Conduit, For Use With: Box Knockout, Steel, Galvanized, Silver
MFG #KO705
36 in Stock. More available 03/05/2026
$5.91/EA
Part #GB KO706 2" HOLESEAL 10/BX Gardner Bender Knockout Seal, For Use With: Unused Box Knockout, 2 in OD, Steel, Galvanized
MFG #KO706
46 in Stock. More available 02/16/2026 and 03/05/2026
$7.33/EA
Part #GB KO710 4" HOLESEAL 10/BX Gardner Bender, KO710, Knockout Seal, Bolt-On, 4 in Hole, 4 in Conduit, For Use With: Box, Steel, Galvanized, Silver
MFG #KO710
25 in Stock. More available 03/05/2026
$16.07/EA