Features 1. 【MULTIFUNCTIONAL】: A professionally manufactured polishing disc, used with a special adhesive, which is widely used for rough polishing, smooth grinding, fine grinding, polishing, material processing, etc. 2. 【FLEXIBLE】: 50, 100, 300, 800, 1500, 2000, 3000 grain sizes are available, diameter: 100mm / 4", thickness: 4mm, fully equipped to meet the replacement needs of different projects. 3. 【USE】: Standard specification, the water grinding disc has smooth lines, easy to hold safely in the hand, ergonomically designed, and the polishing disc can be easily installed and quickly disassembled. 4. 【APPLICATION】: With strong practicability, these diamond polishing pads are very suitable for the processing of stone, glass, ceramics, crystal, ceramic stone, concrete, granite, marble, concrete, etc., or the renovation of artificial stone floors and stairs. 5. 【HIGH QUALITY】: Using diamond as abrasive, combined with composite materials, polishing water abrasive sheet has strong grinding force, no color left after polishing, high smoothness, fast polishing, good flatness, and supports long-term grinding operations. Description: This grinding disc uses diamond as abrasion and combined with composite material. There is sticky cloth which can stick on milling machine. 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. Package includes: 7 x Grinding Discs 1 x Sticky Disc Package List