Spiral Design for Digging Soil without DifficultyUse a drill on low (slow) speed, drill into soil or applicable landscape, auger drill bit will start working on hard ground, easy to dig a hole in a few seconds, work well even in the rammed soil. Note: not suitable for large or solid rock.High Quality Material Made of heavy duty steel, durable to use. With glossy black painted finish, make the cultivator drill bit not easy to rust.Universal Accessories Work well with any cordless or corded drill with a 10mm (3/8") or larger chuck size (which is very common).Widely Application This spiral hole drill is the professional landscapers" choice, Simplifies drilling tasks. Great DIY tools for planting bulbs, potted plants, vegetables, flowers, bare root trees and shrubs, tilling soil or planter boxes, mixing seed, soil, fertilizer, paint, or batches of mortar mix for hardscapes, save your time during planting umbrellas or posts, termite bait stations, taking soil samples, boring plant holes or erecting fences.30 Days Satisfaction GuaranteeWe are always ready to provide professional suggestion for our customers within 24 hours. Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications. We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!