ITEM NAME:8mm Shank Router Bit T-Type Slotted Milling Cutter Carbide Woodworking Tool #gib Store Home Promotion Hot Item Add to Fav.1 X Milling Cutter. Type: T slot cutter. Shank: 8mm. 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.