SHDIATOOL Diamond Glass Grinder Bits for Stained Glass,Shelfish,Glass Grinder Heads,Glass Grinding Wheel, Stain Glass Tools for Glass Grinder (4 Pieces,1-Inch, 3/4-Inch, 1/4-Inch,1/8-Inch) - SHANGHAI DIATOOL CO., LTD., A78201S2T

• 1.Wide Applications: Stained glass drills are suitable for forming and drilling of colored glass, glass, ceramic tiles, stone and similar materials, and work well for glass grinders of most brands 2.High Quality: The diamond grinding heads are made of high quality steel and diamond,which easure no peeding, superior performance, strength and durability, and long service life 3.Vacuum Brazed: Compared with the plating process, vacuum brazing technology is more sharpness, improves work efficiency and has a longer service life. it will bring better work experience to craft enthusiasts and designers. 4.Better Performance: Good finishing effect, high grinding efficiency, producing less debris. brazed diamond surface can accelerate the speed of glass grinding, improve work efficiency 5.What you got: You will receive 1pc 1/4"+1pc 3/4"+1pc 1/8"+1pc 1" glass grinder bits+ 4pcs matching M5 allen wrenches,diamond grit #140/170, different sizes and complete combination to fully meet your needs.the recommend speed is 4200RPM