Durable and Strong: The auger bits are made of premium steel with a glossy black finish, offering excellent strength and durability for long-term use. Suitable for use as professional auger drill bits. Easy to Use: Compatible with any 3/8" or larger chuck drill. An 18V or higher drill is recommended. Quickly plant multiple bulbs in minutes. Reduces Back Strain: Eliminates the need to constantly bend over during drilling. This efficient auger bit can penetrate loose or rocky soil, allowing you to plant bulbs and bedding plants in various conditions. Great Gardening Tool: This spiral drill bit attaches to standard electric or cordless drills, helping you dig deep into compacted garden soil, saving time and effort. Applications: Ideal for potted plants, vegetables, flowers, tree and shrub root planting, cultivated soil, planting containers, seed mixing, soil preparation, fertilizer application, and mortar mixing in challenging landscapes. Suitable for digging holes in soil or ice.