Bosch Notched Hex Pneumatic Air Tool Steel Chisel Bit Heavy Duty Concrete Breaker Masonry Demolition Chipping Scaling Scraping Jackhammers Rebar Cutters Brand Freud Model Number 89 670 Brand Freud Model Number 89 670 Bit Type Plywood Mortising Shank Diameter 1 2 Inch Bit Material Carbide Tipped Piece Count 3 Bits Diameters 7 32 the Winco W6010DE 03 B 6000 Watt Diesel Generator delivers dependable power wherever you need it Proprietary Heat Treat Manufacturing: Specialized tempering process eliminates micro structural brittle zones to stop tool fracturing during intensive impact workloads Keep your machine working at a slight 75 degree angle relative to the slab face