Reserve afbreekmesjes > haak lemmetten < 10st voor NT SL-3P Hook blade (0.5mm). 3 blades per pack. Hook blades are mostly used for cutting plastic straps, ropes and packing tape when opening packages and cartons. These blades are basically designed to be used in SL-1P and SL-3P, heavy-duty auto-retracting cutters, but also can be used in most of our regular heavy-duty cutters.