Features 1、Using special binding agent, this item has strong grinding force and smoothness. 2、It can polish quickly and use for long time. 3、There will no color left on stone after polishing. 4、Diameter: 100mm 5、Thickness: 4mm 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. Specifications: Diameter: 100mm Thickness:4mm Granularity:50/100/300/500/800/1500/2000/3000 Thread: M14 Used for: 1, Processing of artificial stone, granite, marble, etc. 2, Refurbishment of ground or stairs which are made of granite, marble or artificial stone. Package includes: 8 x Grinding Discs 1 x Sticky Disc Note: Please note that this product is suitable for polishing machines with a speed below 6000 rpm, and make sure you will not mind before ordering. 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