Description: Made of alumina, strong polishing force, high wear-resisting degree and cost performance. Can work with polishing sticky backing pad, simple and easy to use. Professional, safety, high efficiency and low consumption. Widely used for grinding and polishing artificial stone, furniture and wood products, metals, and polishing plate, etc. Hook and loop backing for quick and easy change, allows for repeated use until disc is worn down. Specification: Material: Alumina Color: As Pictures Shown Grit: 60# Diameter: Approx. 12.3cm/ 4.84 inch Thickness: Approx. 1mm/ 0.04 inch Package Includes: 20 Pieces of 60-Grit Sanding discs Note: Please allow 1-3mm due to manual measurement, make sure you do not mind before you bid. The colors may be different for the different display, please understand