
Durable and Stable: Made of high quality carbon steel, it is durable and thick. It is not easy to break. 10mm steel shaft with non-slip hex drive; 8cm diameter x 30cm length. Non-Slip Hex Drive: With its hex end, this drill bit offers excellent grip in drill chucks. Attaches to a standard electric drill or cordless. This spiral drill bit allows you to dig deep into solid garden soil, saving you effort and time. Easy to use: The tip of this spiral drill bit provides more stability when digging through compacted soil. Wide range of applications: This spiral hole drill bit is the first choice for professional landscapers as it offers significantly higher efficiency when planting bulbs, potted plants, vegetables, flowers, etc., bare root trees and shrubs, tillable soil or planters.