A high-quality industrial abrasive made for extended use; this Dremel grinding stone features a 1/8" shank, and is ideal for sharpening, deburring and general purpose grinding. Made with aluminum oxide, this Dremel is tough enough to smooth out most materials— including stainless steel. The Dremel 932 is specially designed to grind curved surfaces. It has plenty of shank for the collet or chuck to hold onto for proper attaching. And, this durable, grinding stone can be cleaned and restored to its original shape after extended use, longer tool life and more efficient grinding.