The DEWALT DEWDT2160QZ HSS jigsaw blades are engineered to deliver a quality cut in a variety of ferrous and non-ferrous metals and are fully hardened high speed steel for increased durability The blades have a T shank fitting for all T-shank Jigsaws They are ideal for straight cuts in thin metal non-ferrous metal aluminium & sheet metal from 15 - 4mm thick The DEWALT DEWDT2160QZ has the following specifications Overall Length 76mm Length 50mm Tooth Pitch 12mm Max DOC 4mm Equivalent Bosch Ref T118A