No more tripping over your kayak or paddleboard when they are stored on deck or lugging them around after a long day on the water. With Magma's new Kayak / SUP Boat Rack your problems are solved. This convenient storage rack easily attaches to straight or tapered, vertical or diagonal rails and is constructed from 1 in. (25.4 mm) Dia., 304 Marine Grade Mirror Polished Stainless Steel tubing and attachment hardware. Designed to fit rails from 7/8 in. (22.2 mm) to 1-1/2' (38.1 mm) diameter and is wide enough to fit all of the most popular kayak or board sizes. Magma's exclusive quick release knob system allows each arm to be instantly rotated out of the way when not in use or swung in tighter to fit smaller/narrower kayaks or boards.