The wheels for the shape edge machine , the straight line ,beveling edge machine Diamond Grinding wheel is for the glass grinding machines For flat diamond wheelSize:150 ... *12/22Grit:240# 150# 80#This wheelis suitable for beveling and flat machine.It can afford high quality grinding work.It is ... ,Syria, MEXICO, ANGENTINA, SOUTH ASIA and so on. diamond wheel for the straight line edge machine