Durability: The saw blades are made of carbide and consist of a bimetallic blade combined with fine carbide teeth, which are hard and extremely heat and impact resistant, ensuring long durability. Wide range of uses: reciprocating saw blades for masonry demolition and renovation, suitable for (nail-free) timber, brick, porous concrete (aerated concrete), limestone, cement composite panels, drywall, plaster, plastic, masonry and similar materials. High precision: the alloy teeth on the reciprocating saw blade cut highly abrasive mineral materials more precisely and quickly remove residues created during the cutting process, allowing for fast and precise cuts. Highly : universal saw handles for all common of reciprocating saws, so you can to use with . size:455mm Material:alloy colour:Black Package Contents: 1 x reciprocating saw blades Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.