[High Material]: and HSS for enhanced quality and precise cuts. BIM for heavy-duty cutting of hardwood and metal, for general wood cutting/HSS for hardwood, metal and plastic cutting. [Fast Cutting]: They provide Curved for efficiency Cuts, Rapid Cuts and Plunge Cuts in Hard and Soft Woods, Thin Sheet Metal Steel, plastic and metal. [Wood and Metal ]: 25-Piece Set includes (T101B / T101A0 / T144D) for wood, straight and very fast cuts. (T118A / T118B ) for Thin Sheet Metal Steel, Aluminum and fast cuts. (T123XF / T345XF ) for heavy-duty cuts in hardwoods and metal. Blade Type:Jig Saw Usage:Home DIY Type 1:Jig saw Blade Set Colour:Black+silver Material:High-carbon steel<br><br>Package Contents: 3x WOOD T101A0 5x WOOD T101B 5x WOOD T144D 3x METAL T123XF 2x WOOD/PLASTIC/METAL T345XF 2x METAL T118B 5x METAL T118A 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.