ITEM NAME:8mm Shank Trimming Carve Router Bit Carbide Milling Cutter Woodworking Tool #gib Store Home Promotion Hot Item Add to Fav.Milling Cutter head width: 50.8mm/2". Usage: the 85mm/3.35" central shaft is used in the electric and manual carving machine, and the 8mm/0.31" handle can be clamped by self tightening so as to carve machine and product.