4 Kayak Rack--This kayak floor rack is made of durable corrosion and rust-resistant heavy-duty steel material with a grey color. Built to hold 4 kayaks with a weight capacity of 550 poundss Movable Kayak Rack--This kayak standing rack has 4 lockable wheels to be able to move it without taking everything off. So you can easily move it around anywhere you want such as a garage, boathouse, shed, or dock. Width Adjustable--The width of this kayak rack storage can be adjusted from 51"-67" to accommodate wider loads, so you can store your kayaks, paddleboards, SUP, Surfboard, or canoes according to your own needs. Makes storage of your watercraft so much easier. Product Details-- ①Bottom reinforced triangular structure for more stability; ②360° industrial casters for sturdy and easy to move/lock; ③Anti-UV soft foam support cover on the hook help to prevent your kayak from scratching. Outdoor Kayak Rack--This kayak stand is a great space saver if you are limited in an area in which you can keep your sit-in/sit-on-top, hybrid, sea or touring, whitewater (or river), surf, racing, fishing, recreational, and twin hull kayaks