[High Quality]: This diamond polishing disc is made of premium metal with one side diamond coated, almost 95%, Features high hardness, wear resistance, and excellent impact resistance, well electroplating diamond particles provides long service life
[2 Different Diamond Polishing Disc]: There are 2 different diamond flat lap, They respectively are #1000 #2000, if you make Fine grinding use 1000 grit; if you make polish grinding use 2000 grit, Sufficient number of diamond polishing discs for grinding
[Wide Range of Applications]: This diamond grinding disc is designed for cutting or sanding stones and glass. Especially great for jewellery lapidary making, such as: polishing Crystal, Agate, Jewel and Jade, etc
[Size]: This diamond grinding disc dia x arbor hole: 4" x 5/8", thickness: 1.5mm, Max. operating speed: 30000rpm
[Convenient To Use]: 100% brand new and high quality, Extremely flat and parallel design makes the disc fully Seamless fit, the embedded abrasive allows fast cutting while achieve the most exactly faceting requirements