Weight:55g (3 pieces)Material:diamond and resinSize:Diameter 4"/100 mmStyle:Honeycomb shapedMachine Compatible:Active planetary grinding machines,Passive planetary grinder,Polishing machine,Anble grinder,floor scrubber.Application:This item is self-adhesive on the velcro sanding pad,and suitable for grinding stone, ground tile, ceramic.Suitable for stone polishing, line chamfer, the arc plate and special-shaped stone processing. User manual:Use them from coarse to fine, the final polishing. Dry polishing is convenient but the dust needs to be managed, while wet polishing eliminates harmful dust but makes a messy slurry that can be difficult to clean up. Either method gives the same finished result. So which is better depends on your situation. Featuring much more flexible than normal dry pad: ideal for concave & convex as well as flat surface.AOUT Z-LIONXiamen ZL Diamond Technology Co.,Ltd. is a professional diamond tool manufacturer .Our main products include diamond cutting blades,grinding wheel,polishing pads,core drills,diamond wire saw,etc.We products have sold to Europe,North and South American,South-East Asia,Middle East,etc From its establishmentour company focuses on innovation of products.By far,we have 12 of invention patent,15 of utility model patent,17 of appearance patent,and 2 of PCT patents.The company will stick to the enterprise spirit of "Quality, Efficiency, Innovation and Integrity".With our profound technical resources, strict ISO quality management system,and qualified workers,we will provide best service and create extra value for our customers.