Diamond file manually

About Product:Use vibration of diamond Burs, diamond vibrating flat file, diamond vibration files 1. technology: electro 2. use: for finishing and polishing. 3. specification: φ 3x72mm;4. size: #200,#300,#400,#600;5. primarily used in molds, hard alloy materials, hardness alloy parts, instruments, meters, measuring tools, cutting tools, glass, ceramics and other materials. contact