Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Designed to drive grounding rods or rebar without the need of sledge hammer. Save time and effort. Industrial grade for professional use. Compatible with all SDS+ sized impact rotary hammers. Quality build - durable -piece design from high quality hardened steel provides long lasting construction. Application: Designed to drive ground rods without the needs of sledge hammer. :SDS Plus Compatible with:all SDS+ sized drivers rotary hammers; Note:Metal products are bound to have scratches, which do not affect use. Colour:Gray Material:Metal Size:Diameter:.13mm Package Contents: 1 * Ground Rod Driver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.