These Faithfull Metal Cutting Sabre Saw Blades are made from Bi-Metal, Bi-metallic blades contain eight percent Cobalt M42, and are particularly suitable for materials that are hard to cut. Manufactured for precision and stability when cutting. Their design and tooth geometry vary with regard to the speed and cutting application which they are intended to perform. Selecting the correct sabresaw blade for the task at hand is essential if the material is to be cut successfully and the desired result achieved. Will fit Sabresaws from the following brands: AEG, Black & Decker, Bosch, DeWalt, Elu, Fein, Hitachi, Makita, Metabo, Milwaukee, Ryobi and most other brands on sale within the UK. The Faithfull S922BF Bi-Metal Sabre Saw Blades are ideal for thick sheet metal (3-8mm) and for solid pipes/profiles (10-100mm). Specification: Length: 150mm (6in) TPI: 14 TPI