hand tool punches
greenlee 739bb punch knockout round 3 1 2 in
standard round knockout punch hole size 3 1 2 inches capacity of mild steel 10 gauge conduit and pipe size 3 inches br b features b ul li conduit and pipe size in . 3 li li hole size in . 3 1 2 li li item round knockout punch li li max . capacity mild steel ga. 10 li li hole size nominal 3.539 li li slug falls free li ul
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