1PCS-Cleaning bottom Engraving Bit,CNC solid carbide milling cutter,tungsten steel wood tool,woodworking router bit,MDF skypeit 7 years ago Model SHK D QDD610 6 10 QDD616 6 16 QDD622 6 22 QDD625 6 25 QDD628 6 28 QDD630 6 30 6.35 Contact us if you need 5pcs or more,click here for discount