It is main part of suspended platform. it is power part of whole platform LTD630 gear winch/hoist rated load: 630kgl ifting speed: 9.5m/min LTD 630 hoist is adopting " @" wire-guiding system, LTD630 ard handy in design, succinct in structure, light in weight, easy in maintenance, They are used for moderate or light capacity transit.