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.-Length Group: Standard.-Point Shape: Brad+Double-Spur+Double-Cutter.-Shank Type: Hex.-Spiral Angle: CW.-Type: Boring Bit.-Style: Cutting Diam:1/4", Pkg Bulk - Price is for 1 Box, 24BIT/BOX.-Style: Cutting Diam:5/16", Pkg Bulk - Price is for 1 Box, 24BIT/BOX.-Style: Cutting Diam:7/16", Pkg Bulk - Price is for 1 Box, 24BIT/BOX. Color/Finish: -Patented micro-groove cutting edge and spurs produce a smoother hole finish. Dimensions: -All bits have a 1/4" hex shank that fits all drills and 1/4" quick change adapters.-Overall Length: 6 in.