Knock-Out Seals

• Plugs electrical knock-outs.
• Molded in gray color to resemble galvanized steel.
• Six trade sizes fit 1/2 to 2" knock-out holes.
• Locks firmly in boxes up to 1/8" thick (1/4" thick for KOS 2).
• Installs quickly with fingertip pressure (no tool required).
• Economical.

Locking fingers in fractional increments up to the maximum panel thickness. Approximate Head Thickness : .063" (1.6 mm)."