Made of heavy duty steel, this auger drill bit, when mounted on electric drills, can easily handle a wide variety of drilling tasks such as vegetable and flower planting, fence post setting, etc. The 60 cm length, five blades and 75 mm digging diameter make it easy and fast to dig deep holes effectively, work well even in the rammed soil. This ground drill bit fits standard 10 mm and 13 mm chucks and is therefore compatible with most cordless power drills. The quality steel material ensures its durability and long term use. You can check our shop for other compatible drills. The drill bit, when mounted on drill, can drill into most ground surfaces including solid clay, gravel soil, sand and shale soil. Please note the power drill is not included in the delivery.