22 x 0.6mm: NDS478-1 | Manufacturer Ref: 220600
25 x 0.7mm: NDS478-2 | Manufacturer Ref: 250700
L. M. Abrasivi's Separating Discs are made from aluminium oxide and silicone with polymerised resin binders and a medium grit. They are used for the precise cutting and separating of non-precious alloys.