Material: These rugs are made of soft wool, elastic, safe, environmentally friendly, durable and long-lasting. Technical specifications: This kit contains 10 polishing discs with the same technical characteristics. With an outer diameter of 100 mm, an inner diameter of 16 mm and a thickness of 8 mm, it is ideal for 12000 rpm angle grinder. Product type: 100 mm (4") wool sanding pad ideal for 100 angle grinders. Work: made of thick wool and special glue Special, high temperature resistant, soft and durable. It will not scratch the object when polishing. Widely used: widely used for polishing and cleaning surfaces, for example for polishing metal, glass and ceramics, polishing marble, cars and wooden floors. Set of 10 wool polishing discs 10 cm - Wear-resistant - Angle grinder - Felt polishing discs. Specifications: Material: high quality wool ;outer diameter. External diameter: approximately 100 mm. Inner diameter: approximately 16 mm. Éthickness: approximately 8 mm. Quantity; : 10 pieces. Application: suitable for metal polishing, glass and ceramic polishing, marble polishing, automobile and wooden floor polishing . List: 10 polishing discs.