Bosch HS1824 5 8 3 4 Inch x 10 Inch Ground Rod Driver Round Hex Spline Hammer Steel Earthing Rod Lightning Tent Anchor Soil Installation Boring Tool Roofing Nails 95 L) Chemical Formulation Type 95 L) Chemical Formulation Type Super Concentrated Liquid Emulsifier Primary Functional Purpose Post Stripping Washdown & Heavy Degreasing Compatible Substrate Materials Concrete then align the box end squarely over the fastener flat to maximize torque transfer without slipping Mushrooming Protection Layout: Deep internal driver socket counterbore holds the rod cap tightly to prevent crushing Sinking extended copper or steel earth rods manually into hard packed clay