Wide Application： Aluminum oxide sanding bits are compatible with rotary tools, electric drills, die grinders, and polishing machines. Perfect for mold grinding, hole finishing, metal surface polishing, deburring, and DIY tasks like rust and burr removal.
High Quality & Precision： Made from industrial-grade aluminum oxide for superior hardness, wear resistance, and cutting precision. Easily handles carbon steel, alloy steel, cast iron, hard bronze, and stainless steel with clean, polished results.
Multiple Shapes & Sizes： This 64-piece sanding and grinding accessory set includes 14 pcs of 0.37 inch bullet-shaped bits, 14 pcs of 0.37 inch cylinder bits, 14 pcs of 0.59 inch cylinder bits, 20 pcs of dremel sanding drums (0.57inch and 0.31inch), and 2 drum mandrels — a complete set for all your grinding and sanding needs.
Durable & Long-Lasting： These bits are tough enough for extended grinding use. The long 1/8" shank ensures a firm grip in the chuck or collet. Grinding heads can be cleaned and reshaped to extend service life and improve work efficiency.