Electrical Conduit Knockout Punch Set Knock Out Puncher

Description

Punch round holes in sheet steel, copper aluminum, brass and some types of plastic with this knockout punch kit. Ideal for electrical pipe or conduit.
Easy to use drive-bolt design uses several turns of a wrench to apply pressure
Forged, machined and heat treated
High carbon steel construction
Sizes: 1/2 in., 3/4 in., 1 in. and 1-1/4 in.
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