ITEM NAME:Solid Hardened Steel Carbide Tipped Router Bits 1/4" Shank Sealed Bearing Bit NE Descriptio n Specification: Material: Alloys Brand new Body Material: Solid Hardened Steel Blade Material: Industrial grade micro grain car.Body Material: Solid Hardened Steel. Shank Size:1/4"(6.35mm). Shank Length: 32mm. Solid Hardened Steel Bodies with Anti-Kickback Design. Blade Depth: 4mm. We want to make sure you are happy with our item.