Efficiently drill large, deep holes with a 3/8 inch hex drive spiral drill bit. It is perfectly compatible with any standard electric or cordless drill boasting 18V or above, and can drill holes up to 4 inches in diameter and 16 inches deep, making tasks easier than with traditional tools. Key features - Compatible with standard 18V or higher drills - 3/8 inch hex drive for secure, quick bit engagement - Drills holes up to 4 inches in diameter and 16 inches deep - Green alloy construction for strength and reliability Material and durability - Made from a quality sturdy alloy for high strength and hardness - Resists deformation and bending under use - Corrosion-resistant surface suitable for varied soil conditions - Designed for a long lifespan in challenging environments Performance and design - Precision tip for accurate positioning and quick drilling in soil - Spiral blades help expand holes and enable deeper drilling - Dual-blade auger design efficiently removes soil during drilling - Suitable for drilling through various soil types and soft materials Specifications and compatibility - Bit type: spiral drill bit with 3/8 inch hex drive - Hole capacity: up to 4 inches in diameter, up to 16 inches deep - Works with standard electric or cordless drills 18V and above - Material: sturdy alloy with corrosion-resistant finish - Color: green Cautions and limitations - Not suitable for extremely hard metal surfaces - Not ideal for dry ground with rocks - Not suitable in areas with dense plant roots Applications and use scenarios - Fence post installation: drill large, deep holes for sturdy posts - Decks, gates, or garden structures: prepare planting or support holes - Planting and landscaping: create deep holes for trees or large shrubs - Winter or hard ground drilling: drill through ice or compacted soil to reach depth This drill bit provides a reliable, efficient solution for creating large depth holes with standard drills, offering durability, compatibility, and practical performance across common outdoor digging tasks.