The Hunter Poly Hole Punch and Emitter Tool (Pocket Punch) will punch holes for 4mm fittings or emitters into 13mm and 19mm LD Poly Pipe. The Insert tool saves fingers when inserting 4mm fittings and most emitters. The Emitter Removal Tool will quickly remove emitters from poly pipe with ease. The “C” shape design cradles and stabilizes your tubing while you punch your hole. The ingenuous finger grips make it one the easiest to use punches. The Pocket Punch has a long lasting stainless steel punch pin and will punch a clean hole for 4mm fittings.