585-88824 Features: -Double spur design scribes the hole before the chips are made, producing a cleaner hole and reducing vibration. -Applicable Materials: Wood. -Brand Name: Speedbor. -Cutting Edge Material: Tool Steel. Number Of Bits: -1. Generic Dimensions: -All bits have a 1/4'' hex shank that fits all drills and 1/4'' quick change adapters. -Overall Length: 6 in. Dimensions: Overall Product Weight: -0.16 Pounds.