[ Steel Material]This ground rod driver is made of steel material, which is impact, rust . It is a heavy duty one-piece tool, to use. [Safe and Impact Resistance]this tool has thick metal wall, which can withstand greater impact without damage. with it, you do not need to use sledgehammer and planks to install ground rods. [Wide Compatibility]Our ground rod driver is compatible with all other SDS-PLUS hammer drill (not compatible with tools that accept SDS-MAX). [Widely Uses]This product is not just for standard steel T-posts, but also for small signs or shallow steel single posts supporting electrical outlets. [Multifunctional]The SDS Plus T-Post Driver is not just for standard steel T posts. It also works on shallow steel used for small signs or supporting electrical outlets. It's for driving grounding rods and rebar stakes tool. Please note: There is a slight color difference or discrepancy in kind, please don't mind! size: 65mm Material: steel colour: As shown Package Contents: 2 x 65mm 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.