ITEM NAME:8mm Shank Router Bit T-Type Slotted Milling Cutter Carbide Woodworking Tool B #s Product Description Description: Specifications: Material: Car.Included: 1 X Milling Cutter. Shank: 8mm. Type: T slot cutter. Tooth width: 9.52mm. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.