Bosch T301CHM EXPERT Extreme durability is built in with Bosch Carbide Technology, cuts materials that other blades simply can\'t The Bosch T301CHM EXPERT \'Plastic Composites Clean\' Jigsaw Blades are a 3 Pack with very sharp Carbide teeth produced by cross-grinding. They will give a Long Life Clean Cutting Solid Surfaces and WPC. They have a carbide strip provides rigidity and strength. Features: CARBIDE TECHNOLOGY - Extreme durability is built in with Bosch Carbide Technology - the hardest metal is integrated into the tooth structure using advanced design and manufacturing techniques CARBIDE STRIP - Carbide strip provides rigidity and strength. Individual teeth ground into a solid strip of Carbide provides additional stability and prevents deflection when cutting CROSS-GROUND TEETH - Very sharp Carbide teeth produced by cross-grinding. Advanced manufacturing technique allows exceptionally sharp and well-defined shapes Specification: Areas of application: GRP sheets, profiles, bars: