synchronized hoist low headroom 2 falls for absolutely synchronised raising and lowering for long and bulky loads assures precise positioning of the loads synchronized hoist normal headroom 2 falls specially for high room......synchronized hoist low headroom 2 falls for absolutely synchronised raising and lowering for long and bulky loads assures precise positioning of the loads synchronized hoist normal headroom 2 falls specially for high rooms for absolutely synchronised raising and lowering for long and bulky loads assures precise positioning of the loads synchronized hoist 4 falls for absolutely synchronised raising and lowering for long and bulky loads assures precise positioning of the loads prevent rotating or pivoting of the load