The sander is ideal for small projects. It is versatile, dependable and powerful. Our InLace inlay customers especially love it. The sander uses peel-and-stick sanding disks, which are available in three grits. Included with the sander is a semi-rigid disk mounting wheel for finishing flat surfaces, a hex wrench and 2 sanding disks. Weighs only 12 ounces, and measures only 5 inches in length. The disk diameter is 2-3/8 inches, and it operates at speeds ranging from 400 to 3300 rpm, with Proxxon 5 amp transformer.