Professional heavy duty SDS- Plus ground rod driver for 5/8" and 3/4" ground rodsAttention: Please don't buy this ground rod driver if you are using a SDS-Max hammer. This ground rod driver is 10mm diameter standard SDS-Plus shank. It is for SDS-Plus hammers only. It does not fit into SDS-Max hammers, Spline hammers and other system hammers. PLEASE CHECK YOUR TOOLS VERY CAREFULLY BEFORE PURCHASEPackage Quantity: 1 pieceProduct length: 6-11/16" (170mm)Diameter socket openning: 13/16" (20mm), accommodate ground rods up to 3/4" (19mm) in diameterShank: 5/8 inch diameter standard SDS-Plus shankMaterial: Fully hardened high quality steel, One-piece design with proprietary heat-treatment processPackaging: Transparent plastic tube that is handy, durable and convenient to store and carryHigh quality industrial grade SDS-Plus ground rod driver works perfectly with Bosch, Dewalt, Milwaukee, Hilti, Makita, Hitachi and other brand SDS-Plus system rotary hammers and Hammer Drills. Fantastic work saver tool, practical design with durability and long life time, perfect for commercial and industrial applications. Ideal tool for installing ground rods, parking bumper stakes, etc