Four section perforated top. Backrest & kneerest section by two separate screw, height adjustments by separate screw. Trendelenburg/reverse tredelenburg position by separate screw. Detachable a pair of collapsable side rail. Detachable SS head & foot bows with laminated panels. Complete with corner buffers. Saline arrangement with four location. 125mm dia. Castor two with breaks. Pretreated & powder coated.