Features 1、Using diamond as abrasion and combined with composite material Specification Description: This grinding disc uses diamond as abrasion and combined with composite material. There is sticky cloth which can stick on milling machine. Features: 1, Using special binding agent 2, Strong grinding force and smoothness. 3, Polish quickly and use for long time. 4, No color left on stone after polishing. Specification: Size: Diameter: 100 mm Thickness: 4 mm (appr.) Granularity: 50/100/300/800/1500/2000/3000 Inner Diameter: 10 mm (appr.) Used for: 1, Processing of artificial stone, granite, marble, ect. 2, Refurbishment of ground or stairs which are made of granite, marble or artificial stone. 3, Angle grinder, hydrostone-flat grinder, electric hand drill, etc. Package includes: 7 x Grinding Discs 1 x Sticky Disc Note: Please stick the grinding discs well to prevent the grinding discs from flying off or shifting. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List