Parts List: 01: SDS Plus Round Shank Driver 1 x Round Shank Driver 8mm 1 x Round Shank Driver 10mm 1 x Round Shank Driver 12mm 1 x Round Shank Driver 16mm 1 x Round Shank Driver 20mm OR 02: SDS MAX Square Shank Driver 1 x Square Shank Driver 8mm 1 x Square Shank Driver 10mm 1 x Square Shank Driver 12mm 1 x Square Shank Driver 16mm 1 x Square Shank Driver 20mm Highlight description: High Hardness: The ground rod driver is made of 40cr steel, which is heat treated to greatly increase the hardness, plus the surface treatment makes it more beautiful and enduring Labor Saving Tool: The sturdy one piece design saves a lot of impact force from hand hammers and ensures easy installation of grounding rods. The standard SDS Plus/SDS MAX handle can be used with all SDS sizes of impact rotary hammers and hammer drills Suitable Size: The ground rod driver can be used to drive ground rods or bars without the use of a large sledge hammer and is suitable for 8, 10, 12, 16 and 20 mm ground rods Easy to Install and Use: This tool is easy to install and use for commercial and industrial applications. This grounding rod driver is designed for driving in grounding rods or bars How to Choose a Driver: Choose the driver size according to the size of the screw/nut: diagonal diameter of the nut/bolt = inside diameter of the sleeve Detailed description: Description The grounding rod driver saves you a lot of pounding with a manual hammer. Efficient and labor saving, perfect for commercial and industrial applications. Reliable materials for frequent use and long service life. Key Features Applicability: Designed for use with 8, 10, 12, 16, 20mm ground rods, the Ground Rod Driver is an excellent tool for grounding residential and commercial projects. Professional Ground Rod Driver: One piece design, heat treated and surface treated, this ground rod driver is strong and enduring. Specification Product name: Ground Rod Driver Material: 40cr steel Size: 8mm: total length 140mm outer diameter: 14mm inner diameter: 8.5mm 10mm: total length 136mm outer diameter: 16mm inner diameter: 10.5mm 12mm: total length 144mm outer diameter: 18mm inner diameter: 12.5mm 16mm: total length 165mm outer diameter: 22mm inner diameter: 16.5mm 20mm: total length 180mm outer diameter: 28mm inner diameter: 20.5mm Style(optional): SDS Plus Round Shank Driver, SDS MAX Square Shank Driver Color: Silver Notes: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement. Suitable Size: The ground rod driver can be used to drive ground rods or bars without the use of a large sledge hammer and is suitable for 8, 10, 12, 16 and 20 mm ground rods High Hardness: The ground rod driver is made of 40cr steel, which is heat treated to greatly increase the hardness, plus the surface treatment makes it more beautiful and enduring Labor Saving Tool: The sturdy one piece design saves a lot of impact force from hand hammers and ensures easy installation of grounding rods. The standard SDS Plus/SDS MAX handle can be used with all SDS sizes of impact rotary hammers and hammer drills Easy to Install and Use: This tool is easy to install and use for commercial and industrial applications. This grounding rod driver is designed for driving in grounding rods or bars How to Choose a Driver: Choose the driver size according to the size of the screw/nut: diagonal diameter of the nut/bolt = inside diameter of the sleeve