Item Type: T Post Driver_x000D_Product Material: Steel_x000D_Length: Approx. 20cm / 8in_x000D_Hole Depth: Approx. 50mm / 2in 1GOOD COMPATIBILITY: This T post driver is compatible with most electric hammer drills and is easy to install and replace, making it convenient and practical. 2EXCELLENT STEEL: The post driver is made of excellent forging steel, with thick wall, impact resistance, rust resistance and corrosion resistance. 3PORTABLE DESIGN: The fence post driver has a length of 20cm, with standard diameter, ergonomic design to ensure safe and labor saving operation. 4APPLICABLE POST: This post driver is suitable for standard steel T post, as well as for small signs or shallow steel single posts supporting power socket. 5STANDARD SHANK: The fence post driver is 5 pits shank design, which can be easily installed on electric tools, has a stable and reliable structure.