SkyDock Storage System 4:1 PurchaseSkyDock is the ultimate roof space storage solution for loads up to 80kg/175lbs. Designed for use in any space with a ceiling height up to 4m/13ft, the SkyDock works in garages, sheds, barns, and lofts for commercial uses in yards, marinas, yacht clubs, and warehouses.It smoothly lifts bulky and awkward objects or loads, out of the way, from the floor or roof of your car, to stow them up high until needed again.  Ideal for dinghies, kayaks, canoes, paddleboards, camping equipment, roof boxes, bicycles, garden furniture, horse saddles, pallets of assorted bits and pieces, and any kit that needs to be stored out of the way, but retrieved easily and smoothly when needed.Available with a 3:1 purchase system for great value or a premium 4:1 system for effortless lifting power. Both come with a unique self-locking block, meaning loads can be raised by one person without stress. If the control line is released the locking block firmly holds the load, stopping items from falling.  For ultimate security, a fixed wall cleat is supplied to tie off the line.Easy to install with a video guide available for assistance, the clever design enables flexible installation of the fixed eyes to suit the layout of weight-bearing roof beams.  This ensures loads are lifted equally and evenly.Features:Complete garage storage solution for dinghies, kayaks, canoes, camping equipment, etcLifts load up to 175lbs, maximum lift 13ftEasily raised by one personSelf-locking cleating blockComprehensive fitting instructions provided