1/4 Inch Shank Straight T-Slot Router Bit, 1.37 inch in cutting width, 1/4 inch in cutting height Solid hardened steel body with anti kickback design, silver induction brazing for maximum strength. Premium C3 Micro-grain Carbide Cutters, Build-up heat resistant teflon coating, provide smooth and sharper cutting experience. Designed for Cutting slots for bolts, make a slotted wall to display items from garden tools and power tools to toys - hanging by a hook. Cuts all composition materials, plywood, MDF and softwoods. Use on CNC and other automatic routers as well as hand-held and table-mounted portable routers. Specification: color: as show Shank Diameter: 1/4" / 6.35mm Head Cutting Diameter: 1-3/8" / 34.65mm Head Cutting Height: 1/4" / 6.35mm Shalf Cutting Diameter: 11/32" / 8.7mm Shalf Cutting Height: 9/16" / 14.2mm Package Includes: 1 x Straight T-Slot Router Bit