General description This Garden Drill Bit Planting Auger is an essential tool for every gardener, designed to effectively dig post holes and facilitate deep cultivation. With its spiral design and sharp drill head, it allows for quick and easy edging in various soil types. Technical specifications Auger bit sizes: 4 x 22cm and 8 x 30cm Hole dimensions: 1.6" wide/9" deep and 3" wide/12" deep Material: High-quality manganese steel Hex shank compatibility: Fits any 3/8" or larger drill chuck Compatibility and accessories Recommended drill: 18V or more powerful drill Usage Ideal for planting crocus bulbs, potted plants, trees, flowers, and vegetables Can also be used for mixing seeds, soil, fertilizer, or mortar mixes for outdoor use