Greenlee E-Z Bore Self-Feed Bit 1-1/8 149H2-1-1/8 Double-blade design for fast; smooth cuts. Dual cutting edges can be re-sharpened for longer bit life Large; open design won't clog with wood chips Self-feed tip pulls bit through wood Outer spur teeth reduce splintering and blowouts Replaceable tip Application : For boring fast; clean holes through various wood materials in electrical; plumbing; and remodeling applications Bit Diameter : 1-1/8 IN. (28.6MM) Electric Drill Required : Recommended Includes : Hex wrench and spare set-screw Overall Length : 5 IN. (127MM) Package : 1/Pk. Package Type : Re-usable storage tube Shank Diameter : 7/16 IN. Hex Shank Type : Quick Change Sub Brand : E-Z Bore Type : Self-Feed Wood Boring Bit Weight : 0.3 lbs. (0.14 kg)" Greenlee E-Z Bore 1-1/8" Self-Feed Bit 149H2-1-1/8