Bosch Asphalt Cutter, Resharpenable, For Use With: 1-1/8 in Hex Shank Breaker Hammers, Specifications: 5 in W Blade, 19 in Length, 1-1/8 in Hex Shank, Steel. Bosch Offers a Full Assortment of 1-1/8 in Hex Hammer Steel Points and Chisels. Bosch Brings Constant Innovation to Concrete and Masonry Drilling with Increased Efficiency and Higher Durability. All Bosch Chisels are Manufactured with a Proprietary Heat Treat Process. Bosch HS2167 Resharpenable Asphalt Cutter, 5 in W Blade, 19 in L, 1-1/8 in Hex Shank, Use with 1-1/8 in Hex Shank Breaker Hammers