General description Made of high-quality wool and metal, these polishing wheel grinding heads are ideal for DIY polishing tasks. They are commonly used for polishing wood, metal, and molds, and are suitable for cleaning and polishing jewelry, gems, glass, watches, crystals, triggers, feeding ramps, and automobile or motorcycle engine parts. Technical specifications Name: polishing wheel grinding head Quantity: 100 pcs/box Diameter of clamping rod: 3 mm Material: wool + metal Color: white Measurement allowed error: +/- 1-3 cm Package Contents 100 x Polishing wheel grinding head Other information