Long Lasting - High speed steel tooth can cut over 300 holes before re-sharpening.Unique Cutting Application - Can cut at angles. Cuts Faster Than a Self-Feed Bit - 3/8" stubby spade bit helps remove material quickly. Easy to Use - Easy plug ejection. Rough Wood Cutting - Cuts wet, frozen, pressure treated, and hardwoods without binding. Cuts over 300 holes before resharpening.