Carbide teeth deliver long life and extreme durability in the toughest applications. Cuts through hardened screws and fasteners. Fast and aggressive tooth pattern allows for quick cuts in nail-embedded wood and a wide range of construction materials such as wood, nails, bolts, screws, cast iron and asphalt roofing felt shingles. Optimised for use with cordless reciprocating saws, resulting in more cuts per charge. Sloped shape and fang tip for plunge cutting and reaching into restriced areas. Nail guard protects the teeth during nail impacts. Cuts Wood with Nails Universal Fitting Variable Tooth Pitch Carbide Teeth Bi-Metal Construction Aggressive Tooth Geometry Cuts Wood with Nails Universal Fitting Variable Tooth Pitch Carbide Teeth Bi-Metal Construction Aggressive Tooth Geometry