CSL-Y4 variety geared trolley have 5 specs from .5T to 5T. The geared trolley is hand-operated by pulling the hand-chain,managing on the bottom flange of monorail. With the screw hanger to adjust the width of L-beam. They are widely employed in factories,mines,wharves,docks,warehouses and motor rooms for installation of tools and conveyance of items. They are especially appropriate for routine maintenance and fixing of gear in locations in which no power offer is CZPT.