Robust Material: Auger made of premium manganese alloy steel, rust-resistant and break-resistant - all internal shafts are robust, making it durable and warp-resistant. The surface of the garden auger has a black coating that provides double protection. High Efficiency: Spiral design with a sharp drill head for easy soil excavation. It is recommended to use a drill with 18V or higher power - hundreds of planting holes can be drilled in minutes. Universal Compatibility: The auger fits all drills with an 8mm or larger chuck. Also works on all electric drills with an adjustable chuck. Widely Used: No more blisters or hand injuries thanks to our garden auger. Reduce the time needed to plant a flower bed or install a fence. This gardening twist drill bit kit is a professional choice for landscapers - excellent DIY tools for planting potted plants, flowers, vegetables, trees and shrubs, for mixing seeds, fertilizers, soil, paint, mortar or for taking soil samples. Size: 4x45cm