2" Diamond Grinding Wheels (Soft) 2" Diamond Grinding Wheels (Hard) 4" Diamond Grinding Wheels (Soft) ... Rock's Automatic Cab Machine; Carving Machines. Combo Units; 6" Combo Units; 8" Combo Units; Drilling Machines; ... 6" Grinder Polisher. The Boxer By Diamond Pacific. SKU # 100BOXER Category: 6" Grinder Polisher