Description: 1/4 inch Shank 3 Teeth T-shape Tongue & Groove Router Bit Set Tongue and groove router bit set using for handmaking a drawer or other woodworking Material of Body: solid hardened steel Material of Blade: Industrial grade micro grain carbide Solid hardened steel body with Anti-Kickback design Specification: Cutters to slice smoothly into stock producing clean, splinter free Build-up & heat resistant teflon coating Bearing: Totally enclosed & lubricated Color: Yellow Teeth width: 6mm Teeth Depth: 11mm Shank Dimeter: 6.35mm Shank Length: 40mm Total Length: 75mm Package Includes: 1x Tongue Router Bit 1x Groove Router Bit