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Support and block in zamak; Screws, bearing axle and side plates in stainless steel; Nylon shims; Roller bearings in tempered steel coated in nylon with glass fiber. Capacity 250 kg per sash.
Support and block in zamak; Screws, bearing axle and side plates in stainless steel; Nylon shims; Roller bearings in tempered steel coated in nylon with glass fiber. Additional roller, capacity 350 kg per sash, in combination with art. 6676.20.
External support in nylon, internal support in galvanized zamak; set screw, nut and adjustment screw in galvanized steel; roller bearings in hardened steel; roller in stainless steel. Capacity 240 kg per sash
Zamak body, side walls, adjustment springs and screws in stainless steel, ball bearings, nylon thicknesses. Capacity 400 kg per sash
Zamak body, side walls, adjustment springs and screws in stainless steel, ball bearings, nylon thicknesses. Capacity 250 kg per sash