Bosch T 744 D Speed for Wood Jigsaw Blades have a large tooth pitch (4mm) and long length (180mm) to cut wooden materials up to 135mm thickness. These Bosch Speed for Wood Jigsaw Blades made for fast straight cuts in wood. The sharp-ground, side-set teeth produce fast cuts. Made from a high carbon steel material for cutting softwood and non-abrasive woodworking materials. Fits all T-shank jigsaws.