433-31018 Features: -Cutting angle reinforces cutting edge for greater durability to withstand the impact of encountering a nail. -Secondary relief angle removes material faster. -Oversized cutting head creates a hole larger than the bit for easy removal from the workpiece. -Power groove on shank fits Lenox Uni-Drive System for convenient bit changes. Number Of Bits: -1. Unit Material: -Steel. Use Material: -Wood. Product Type: -2 Cutter Drill Bits. Use: -Drill Bits. Dimensions: Overall Product Weight: -2.1 Pounds.