Mainline Punch - Yellow - 5/16"

;PRUNO 5/16" Mainline Punch • Best- quality mainline drilling & manifold insertion tool • 5/16" drill bit with handle (yellow) • Vise-Grip pliers with a V-clamp that firmly grips the mainline and stabilizes the drill bit to punch a perfectly round hole, for greater saddle tightness • Hand-sharpened drill bit expels all plastic chips outside the mainline • Significantly lowers the risk of leaks • Slide the nose between the wire and the mainline to keep the wire away from the drilling area • Second function : Also used upside down for manifold insertion with the bottom-fork used as a push-piece • Effective, stable and quick • Resistant and ergonomical • Field- proven concept since 1994.