BIG / BBT40-ISL20-75
BIG / BT40-HMC32-90
MST / BT50-CTA20-165
FUJI GRINDING WHEEL MFG / KCM-360
BIG / BT40-HMC32-90G
BIG / BT40-MTA1-45
MST / BT50-CTA25-165
日研 / BT50-SLA32-105