• 6 Sizes Fit All - 6 most commonly-used sizes ( 3/8",1/2", 5/8", 3/4", 7/8", 1" ) to satisfy all your needs;
• High Carbon Steel with Titanium Coating - ensures high wear-resistance and durability, best for cutting faster and cleaner holes on wood;
• Sharper & Faster - beveled cutting edge optimized largest area groove = sharper and faster drilling speed and smoother chip removal;
• Multiple Applications - accurate drilling on types of Wood, fiberglass, plastic, PVC, and soft metals such as aluminum. Universal for the majority of drills currently on the market.