Home / Agriculture / 2-Way Punch / Spanner for Micro Sprays 2-Way Punch / Spanner for Micro Sprays Used to punch holes on LDPE Tubing Pipes. Related products Hole Puncher 4mm for LDPE Tubing 4″ X 2″ Open Trunking Pipe Socket PVC Tubing Pipe Floor Woven Plastic (Weed Mat) 4″ X 2″ Rectangular Pipe End Cap With Outlet 2 Way Super Punch Spanner