Boron carbide powder, 500g, 17 µ, F400
Abrasive for lapping.
Boron carbide powder, 500g, 37 µ, F280
Abrasive for lapping.
Boron carbide powder, 500g, 5 µ, F1000
Abrasive for lapping.
Boron carbide powder, 500g, 9 µ, F600
Abrasive for lapping.