- Effortlessly drill large, deep holes with our 3/8" hex drive spiral drill bit. Compatible with any standard electric or cordless drill of 18V or higher, you can easily create 4-inch diameter, 16-inch deep holes, making it a superior alternative to traditional tools like shovels. - Crafted from high-quality alloy, our green drill bit offers exceptional strength and durability. Its corrosion-resistant design adapts to various soil conditions, ensuring a long lifespan even in tough environments. - The precision tip allows for accurate positioning and quick drilling in soil, as well as breaking through ice. The spiral blades enhance hole expansion and enable deeper drilling, maximizing your efficiency and saving you time. - With its dual-blade design, this spiral drill bit efficiently removes soil while drilling, thanks to its innovative auger structure. It is ideal for various soil types, making it perfect for gardening, landscaping, and construction projects. Note: It is not suitable for extremely hard metal surfaces, rocky dry ground, or areas with dense plant roots. Enhance your drilling tasks with our reliable and effective spiral drill bit, designed for performance and durability in a range of applications.