... Pad Polishing ToolsSize4"(100mm)Thickness3mmInner diameter18 / 20mmGrit#50,#100,#200,#400,#800,#1500,#3000,White/Black BuffBondresinOptimal RPM2000Max RPM5000Place of originZhengzhou ... as requested.About us·SX TECHNOLOGY specialize in diamond polishing tools R&D for 16 years with super good quality and ...