Current Tool 164PM 1/2"-4" Punch Driver Set new
1/2" x 4" Piece Maker™ Drill Driven Knockout Set
Punch up to a 4" conduit size hole in amaximum of 10 gauge mild steel
No hydraulic oil
1/2" to 2" punches designed to split the slug into two pieces for easy removal
High strength steel punches and dies for long life
Recommended drill . (provided by end user) .
1/2" cordless drill with a minimum of 18 volts
Fast, easy punching . no ratcheting
Made in the USA