TUSK BiM RECIPROCATING THIN MIDDLE METAL SAW BLADES features a 24TPI tooth configuration for precise cuts and a smooth finished result. Blade is Bi-Metal construction with teeth made from M42 grade steel for maximum performance, longer life, versatiliity and toughness in THIN & MIDDLE METAL applications. The 130mm cutting length of this blade has been optimised to cut thin sheet metal, middle metal plates, profiles and pipes. Universal shank for high compatibility .