Schaedler Yesco | Metallics | Knockout Closers

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MTAL 50KOS

Part #MTAL 50KOS 1/2" (3)PIECE KNOCK-OUT SEAL Metallics Knockout Seal, 3-Piece, 1/2 in Hole, 1/2 in Conduit, For Use With: Panel Box, Steel, Silver

MFG #50KOS

MTAL 300KOS

Part #MTAL 300KOS 3" (3)PIECE KNOCK-OUT SEAL Metallics Knockout Seal, 3-Piece, 3 in Hole, 3 in Conduit, For Use With: Panel Box, Steel, Silver

MFG #300KOS

16 in Stock. More available 01/21/2026

$137.78/PK

QTY

U/M

MTAL 75KOS

Part #MTAL 75KOS 3/4" (3)PIECE KNOCK-OUT SEAL Metallics Knockout Seal, 3-Piece, 3/4 in Hole, 3/4 in Conduit, For Use With: Panel Box, Steel, Silver

MFG #75KOS

32 in Stock. More available 01/21/2026

$65.22/BX

QTY

U/M

MTAL 150KOS

Part #MTAL 150KOS 1-1/2" (3)PIECES KNOCK-OUT SEAL Metallics Knockout Seal, 3-Piece, 1-1/2 in Hole, 1-1/2 in Conduit, For Use With: Panel Box, Steel, Silver

MFG #150KOS

18 in Stock. More available 01/21/2026

$90.37/PK

QTY

U/M