40pcs 1" (25mm) Abrasive Wheel Buffing Polishing Wheel Set Compatible for Dremel Rotary Tool Grit guide: Brown 120 Grit, Green 180 Grit, Red 320 Grit, and Black 400 Grit? Wheels are 1" in diameter, 1/8" shank. Small buffing wheel is an efficient polishing tool of metal and non-metallic materials in small area of rust deburring and surface polishing. | For use in rotary and othe power tools. US-BASED CUSTOMER SERVICE: Available by chat, email, phone, or visit us at our customer service center in La Crosse, WI.