Features: High quality diamond diamond powder/full particles/strong grinding power Brazing process sharpening Stable quality: high efficiency/more wear-/dry and wet use 45# Brazed Flat Grinding Head Abrasive Polishing Stone Marble Quartz Cobblestone Grind Efficient Name:Brazed grinding head Material: Diamond Color: Gold Size:2 inch 50mm Grit:45# Application: marble, , terrazzo, quartz,concrete curing floor High manganese steel matrix integrated molding One-piece molding is not easy to break/ to use M14 thread interface Comes with M14 screw interface/can be used directly after installation Instructions for use: Choose a suitable small coarser grinding head to start working, and end with a large finer grinding head. 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. Package Contents: 1 x Brazed grinding head 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.