The DEWALT DEWDT2054QZ 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. This Longer life metal cutting blade can be used on thin sheet metal between 1.5 - 4mm especially when curved cuts is required. The DEWALT DEWDT2054QZ blades have the following specifications:Overall Length: 82mm Length: 55mm Tooth Pitch: 1.5mm Max Doc: 4mm Equivalent Ref: T118EOF Pack Quantity: 5