High quality diamond - diamond powder/full particles/strong grinding power Brazing process sharpening Stable quality: high efficiency/more wear-resistant/dry and wet use High manganese steel matrix integrated molding - One-piece molding is not easy to break/ to use M10 thread interface - Comes with M10 screw interface/can be used directly after installation Name:Brazed grinding Application:marble, , terrazzo, quartz,concrete curing floor Instructions for use: Choose a suitable small coarser grinding to start working, and end with a large finer grinding . In order to achieve a good grinding effect, it is recommended not to skip the number. The smaller the mesh number, the rougher the polishing , the faster the polishing, and the rougher the polishing effect; The larger the mesh number, the finer the polishing , and the slower the polishing, the finer the polishing effect. Grit:45# Colour:Gold Material:diamond Size:2 inch 50mm Package Contents: 2 * Brazed grinding Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.