1.[Effortlessly Drill Large Deep Holes]Unleash the potential of your electric drill with our 3/8' hex drive spiral drill bit. Perfectly compatible with any standard electric or cordless drill boasting 18V or above. You can effortlessly drill a 4-inch diameter, 16-inch deep hole with the power of your drill, making tasks a breeze compared to traditional tools like shovels. 2.[Quality Material & Long Lifespan]The green drill bit is made of quality sturdy alloy, ensuring exceptional strength, hardness, and resistance to deformation or bending. Its corrosion-resistant surface adapts to various soil conditions, allowing for a long lifespan, even in challenging environments. 3.[Precision Tip for Accurate Drilling]The pointed tip allows for precise positioning and quick drilling in soil or even breaking through ice. The spiral blades aid in expanding holes and drilling at deeper levels, saving you time and effort while boosting your work efficiency. 4.[Dual-Blade Design for Efficient Digging]Featuring double blades, our spiral drill bit swiftly removes soil during drilling, thanks to its unique auger design. Perfect for drilling through various soil types. Note: Not suitable for extremely hard metal surfaces, dry ground with rocks, or areas with dense plant roots.