Designed to drive grounding rods or rebar without the need of large sledge hammer. Save time and effort. Industrial grade for professional use. Compatible with all SDS+ sized impact rotary hammers. Quality build - -piece design from high quality hardened steel provides long lasting construction. Application: Designed to drive ground rods without the needs of sledge hammer. Shank: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:.16mm 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.