The grinding stone for an excellent surface on copper and zinc. With its soft core structure it is very flexible making contact with the cylinders and therefore versatilely to use.
To order your grinding stones with the GF-Superlock just add «GFSL» in front of the order number. The height for stones with GF-Superlock is always 55mm.
To order your grinding stones with the Quick-Lock system just add «SV» after the order number. The height for stones with the Quick-Lock is always 55mm