Quantity: 3pcs/set( 1pc G30+1pc G50+1pc Aluminum based backer)
Application: 1. Recommend wet working for better finishing, 2. Designed for fast polishing on marble granite; 3. Use them from coarse to Fine 4. Recommended rotating speed 7000RPM;
Feature: 1. Great choice for small project, saving much time; 2. High efficiency, good flexibility and excellent finishing; =======The End=======