This ground rod driver is compatible with all SDS- Plus hammers and hammer drills.Not work with sds max hammer drill.This sds plus bits is made of high quality hardened steel, one-piece design, with thick metal wall for impact, rust and corrosion resistance. Meet the demands of frequent use.6.8 inch Length and 3/4 inch ID and 1 inch OD. It helps to minimize the mushrooming of the rod versus a flat-bottom driver. Reusable, ideal for commercial and industrial applications.You will receive a hammer drill ground rod driver which can just the right balance of quality, durability, and performance. Easy to use and install.This ground rod driver for hammer drill effectively help you save time. You no need to use a sledgehammer and plank to install ground rods, small fence posts and small electric fence posts, etc.Product Information:Size: 6.8 inch Length and 3/4 inch ID and 1 inch ODProduct Description: This grounding rod is compatible with all SDS- Plus hammers and hammer drills.Not work with sds max hammer drill.Material: Stainless Steelcolour: SilverPackage Contents:1 x sds plus adapterOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.