Speed rollers for grinder with guide roller Rollers included with a diameter of 20; 30; 40 mm Block 8 mm laser cutting, powder milling, CNC made rollers, ZVL bearings Idler roller diameter 50 mm Landing groove for contour block 12 mm Washers diameter 40/8 mm, set of 3 pieces The design has excellent quality and rigidity, is universal and will fit any model of grinder (you can select ledges using washers that come with the kit)
eBay