For precise, effortless cutting. A reciprocating saw is one of the most useful power tools youll ever ownfor construction, renovation and demolition work.To get The mostout of your saw, you need to use the right blade for the material and situation youre dealing with. For example, If you want to renovate an old house, you might need aconcrete saw blade. Intended for a broad range of applications including masonry, nail-wood, bricks, porous concrete and drywall, these blades provide just what your job needs in a handy 4-piece set. Blades with 2TPI deliver faster cuts with rougher edges and are ideal for cutting wood. Nail-Wood MasonryPlaster and Drywall Porous ConcreteKey Features of Reciprocating Saw Blade The universal shank will fit any brand of recip saw. The blade can also be used while rotated 180° in the chuck. This will allow the user to cut upwards or downwards, depending on the situation. The thickness of the saw blade: about 1.5mm/0.05â; Width of the Saw: 5.2mm/0.20â. High-precision cutting edge could achieve precise cutting and extend the use time. Tiny carbide teeth are fastened to the high carbon steel body of the blades . The blade is typically alloy steel, with heat-resistant and impact-resistant alloy stee. Carbide teeth are designed for cutting highly abrasive mineral-based materials. Very large tooth pitch provides rapid cutting results. Extra-wide body for ultimate stability. Length: 305 mm/12 Width: 51 mm/2 Thickness: 1.5 mm/0.06 Suitable for cutting porous concrete, red brick, fiber cement, glass fiber reinforced plastic, epoxy resin , etc. Suitable for abrasive materials.