Bosch HS2167 1 1 8 In Hex x 19 In Electric Demolition Hammer Steel 5 In Wide Asphalt Cutter Pavement Breaker Spade Chisel Jackhammer Bit Quantity:1 Pack 00 Foot Survival Drop Rating 00 Foot Survival Drop Rating onto Concrete Blade Core Material High Tensile Spring Steel Blade Protective Coating Matte Non Glare Extruded Nylon Coating End Hook Attachment Type 360 Degree Quad Rivet Synthetic Diamond Coated Hook Case Material Construction High Impact Reinforced ABS Thermoplastic Housing Housing Dimensions 5 Operating at 11 and pipeline line breakthroughs with the high output mechanical slicing velocity of the Bosch HS2167 1 1 8" Hex x 19" Hammer Steel 5 Inch Wide Asphalt Cutter Chisel and hard packed dirt beds