【Screw Design, Easy Digging】Using the drill at low speed (slow speed), drill holes on the ground or suitable landscape, the auger will start working on the hard ground, easily dig a hole in a few seconds, even in it also behaves well on firm ground. NOTE: Not suitable for large rocks or solid rocks. 【Premium Material】Made of solid steel for durability. The cultivator cutter head adopts glossy black paint surface, which is not easy to rust. 【Universal Accessories】Works with any cordless or corded drill with a 10mm (3/8) chuck or larger (very common). 【Wide Application】This auger is the choice of professional landscapers, simplifying the task of drilling. Great DIY tool for growing bulbs, pots, vegetables, flowers, bare root trees and shrubs, for cultivating soil or a pot for mixing seeds, soil, fertilizer, paint or mortar mixes for tough landscaping. Perch, termite bait station, soil sampling, drilling.