2G~3G duck-mouth edge grinding wheel,triplr OG,glass grinding wheel 2G~3G duck-mouth edge grinding wheel,triplr OG,glass grinding wheel1.This is the KR2G~3Gduck-mouth edge grinding wheel2.DiaA:100mm~150mm3.Lnside diameterB:22mm~90mm4.Glass thickness for grindingC:8mm~30mm5.Mesh count:80#~320# 2G~3G duck-mouth edge grinding wheel