Klein Tools 53430 1-1/8-Inch Bit by 4-3/4-Inch Twist Length Ship-Auger Bit with Screw Point Drills through nails, wood, vinyl, plastics, and heavy timber Special bit steel has machine-ground flutes and polished edges for smooth, wobble-free boring Feed-screw pilot draws the bit into wood Heat-treated and tempered; deep, open-throat design clears chips for faster, cleaner cuts Bit Size: 1-1/8-Inch; Overall Length: 7-3/4-Inch; Twist Length: 4-3/4-Inch; Weight: 0.80-Pound