1.Abrasive: aluminium oxide, zirconia aluminium or silicon carbide
2.Cover of Backing: PE Film+ velcro / PSA
3.Hole:No hole,1 hole,5 holes,6 holes,8 holes,8+1 holes are available.
4.Packing:in box/carton
5.Advantage:
1). Long-life,value-for-money product.
2). excellent performance, high quality.