grinding disk/abrasive disc for metal/inron 1.first grade material 2.sharply,durabile ... 3.80m/s,3 nets,for iron grinding disk /abrasive disc for metal/iron1. It is made of first grade material ... ,depressed center,black color,2nets in the middle of the disc.3.sharply,durabile and high efficiency when working , short ... 6*22.29*1/4*7/8T27WA24RBF72600080665050 grinding disk /abrasive disc for metal/iron