Greenlee 7238SB Slug Buster Knockout Punch Set (Incomplete)
Pilot hole size: 1/2" conduit punch requires 3/8" or larger pilot hole;. cat no. 00042. 3/4"-2"conduit punches require 3/4" or larger pilot hole. with ratcheting box end wrench. We are here to help and will do our best to resolve any issues.