Titanium coated bi-metal blade is made with high speed steel material to cut through wooden materials up to 2", nails, decking screws, drywall, plastics. Stepped shape for sawing flush to the surface. Can be plunged into material at any point, with no clearance necessary behind the workpiece. Ideal for all crafts including general contracting, flooring, tile and bathroom renovation. Features ONE FIT universal system allowing blades to fit most multi-tools/oscillating tools. Adapter included to fit Dremel Quick Release & old Rockwell.