DURABLE: Made of heavy-duty carbon steel with a glossy black finish. Improved bits where the bit hits the ground first and strikes smoothly when digging hard ground. Our patented double-edged bits are the only ones on the market, we minimize the distance between the starting point of the digging blade and the tip, and our sturdy design is also suitable for a variety of soils, you won't have to s worry about it. Diamond head when drilling, our auger helps you save time EASY TO USE: Our floor drill works with 3/8" or larger tile drills, 18V or larger bits are recommended. Grow hundreds of bulbs in minutes For a cordless drill, at least a 14V drill is recommended; our heavy-duty 2-blade barrel drill will help you be more productive and save money on your gardening jobs. More time to enjoy! Please keep the auger free of dirt and debris when not in use. VERSATILE: Our auger drills are ideal for planting bulbs, potted plants, vegetables, flowers, bare root trees and shrubs, cross soil or flower boxes, mixed seeds, soil, fertilizer for landscaping materials, paint or mortar mixes; our woodlands can also easily dig holes for poles, or even take them on vacation to drill a hole in the sand to secure umbrellas to the beach. It will be your good helper. Increase your productivity: Generate hundreds of holes in minutes, saving you time. It is also a great gift idea for mom and dad, it can help them garden easily. Specifications: 4*22, 8*30 Note: The data is all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference , the actual object received shall prevail.