This Dremel accessory set (407) contains 2 sanding mandrels and 2 sanding bands designed for sanding, shaping, smoothing and material removal Ideal for sanding and material removal on wood, metal, aluminum, silver, copper, stainless steel, brass, gold, plexiglass, plastic and rubber Sanding bands are also great for shaping material and creating a smooth finish Maximum recommended working speed: 35.000 RPM Fits with all Dremel Multi-/Rotary tools or other 3,2mm shank size multi- / rotary tools