ITEM NAME:Woodworking 1/4 inch x 1/4 inch T Type Slot Undercut Router Bit Cutting Too D3P7 Woodworking 1/4 inch x 1/4 inch T Type Slot Undercut Router Bit Cutting Too D3P7 T type slot and undercut router bit. Designed for creating T-slot wall panels and radius edges on the T-slots, great replacement bit tool for woodworking carpenter. Product Name : Slot Undercut Router Bit Material : Metal Standard : 1/4 inch x 1/4 inch Shank Dia. : 6.35mm / 1/4 inch Cutting Depth : 6.35mm / 1/4 inch Cutting Width : 9.4mm / 3/8 inch Cutting Diameter(Overall) : 32mm / 1 17/64 inch Total Length : 42mm / 1.7 inch Color : Silver Tone, Gray Net Weight : 30g Package Content : 1 x Slot Undercut Router Bit Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Shank Dia.