Feature 1Multi Functional: The T post ground rod driver is not just for standard steel T posts. It also works on shallow steel unistrut used for small signs or supporting electrical outlets. It's ideal for driving grounding rods and rebar stakes too. 2Safety and Impact Resistance: This ground rod driver 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. 3Forged Steel Material: The ground rod driver is made of forged steel material, which is impact resistant and rust resistant. It is a heavy duty one piece tool that is durable. 4Widely Use: This ground rod driver is not just for standard steel T posts, but also for small signs or shallow steel single posts supporting electrical outlets. 5Wide Compatibility: Our ground rod driver is compatible with all other for SDS PLUS hammer drill and is not compatible with tools that accept for SDS MAX.Item Type: Ground Rod DriverMaterial: Forged SteelInner Diameter: Approx. 30mm / 1.2in, 45mm / 1.8in, 65mm / 2.6in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xGround RodDriver