• Fast material penetration with self-feed spur
• Durability in nail embedded wood
• Long bit life with hardened alloy steel
• Quick bit changes with a 7/16" ball groove shank
• Self feed spur for fast material penetration
• Dual cutting edge for maximum durability in nails
• Hardened alloy steel provides superior bit life
• 7/16-inch ball groove shank allows for quick bit changes