Bosch HS2172 1 1 8 In Hex x 15 1 2 In Demolition Hammer Steel Ground Rod Driver Copper Earth Stakes Lightning Conductors Tent Anchors Breakers Scissor Lifts Industrial Pipe Fitting: Cold cutting heavy gauge Industrial Pipe Fitting: Cold cutting heavy gauge 4 inch schedule 40 black iron pipes and plumbing riser mains on active commercial builds this robust hand tool is a necessary addition to any professional weld shop Forged from high grade alloy steel and tempered via a proprietary heat treat process Keep the 1 1 8 inch hex shank connection wiped clean of jobsite dust and coat the drive flats with premium chisel grease before every shift to ensure smooth tool tracking and simple bit extraction