For cabinets SZB, SZBk and SZB PC. One cabinet requires two locking, two non-locking castors and two strenghtening bars. One bar with locking castors is fixed at the cabinet’s front, and the other bar with non-locking castors at the rear. Maximum load capacity of 4 castors: 600 kg Surface finish: Strenghtening bar for castors - textured powder painted light grey (RAL 7035). Supply includes: There are sold single elements: - castors with screws and washers for fixing into the strenghtening bar, - supporting bar for castors with screws and washers for fixing into the bottom plate of the cabinet.