Klingspor is an expert in the abrasive world. They manufacture heavy duty flap wheels which are one of the top underestimated and underused abrasive finishing tools. Using a variety of Klingspor flap wheels, you can sand and finish shaped convex or concave parts, moldings, etc. Get maximum results on metal, wood, plastic, and other materials! We offer Klingspor Flap Wheels in different diameters and grits.