Ground Rod Driver for Hammer drill is made of high-quality hardened chromium vanadium steel, with heat treatment process, which is durable, and impact-resistant. -piece design extends its service life and durability The standard SDS Plus ground rod driver works with all SDS sized impact hammers and hammer drills for 5/8Inch and 3/4Inch ground rods. Please check your tool carefully before purchasing SDS Plus ground rod driver is an industrial-grade professional ground rod driver, which is easy to install. Durable one-piece design saves a lot of impact with a hand hammer and ensures easy installation of the ground rod. Suitable for commercial and industrial use Industrial grade professional ground rod drivers are designed to drive ground rods or rebar without the need of a sledgehammer, time and effort saving. They are suitable for 5/8 inch or 3/4 inch ground rods, saving a lot of hammering work A Good Helper SDS ground rod driver bit can help you save a lot of time using a manual hammer, it can help you do your job efficiently, accurately, and quickly, you 't need to use a sledgehammer or plank clamp to install ground rods, small fence posts and small electric fence posts and so on. Product Name: Hammer Drill Bits Colour:Black Material:alloy steel Size:Total length 180 mm/7 Inch, Outer diameter:15 mm/0.6 Inch Package Contents: 1 * 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.