The DEWALT DEWDT2162QZ HSS jigsaw blades are engineered to deliver a quality cut in a variety of ferrous and non-ferrous metals and are made from 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 very thin metal, non-ferrous metal & aluminium from 0.8 - 2mm thick. The DEWALT DEWDT2162QZ has the following specifications Overall Length 76mm Length 50mm Tooth Pitch 0.7mm Max DOC 2mm Equivalent Bosch Ref T118G Pack Quantity 5