FLEXIMOUNTS GR38B is a heavy-duty garage storage system capable of supporting up to 550 Ibs (250 kg) of evenly distributed weight. The system is constructed from high-quality steel and features a modular design that allows for easy customization to fit your specific storage needs. With a height adjustability range of 22" to 40" (560mm to 1010mm), the GR38B can accommodate a variety of items, including bikes, kayaks, ladders, and more. Installation is simple and can be completed in just a few steps using the included hardware and detailed instructions.