Magma Mounted Removable Kayak/SUP Rack Rail. Specifications for Magma Rail Mounted Removable Kayak/SUP Rack: Manufacturer: Magma Color: Black Features of Magma Rail Mounted Removable Kayak/SUP Rack Extremely Strong Adjustable Arms for any size Kayak SUP or water toy Instantly Adjusts Without Tools to Fit Kayaks SUPs and Other Water Toys Holds Up To 3 Standard SUPs Folds Flat Along Rail When Not In Use or Easily Removes From Rail for Compact Storage Without Tools 100percent 304 Marine Grade Mirror-Polished Stainless Steel Fits Straight and Tapered Vertical or Diagonal Rails from 7/8" (22 mm) to 1-1/2" (38 mm) Diameter Great for Stanchions or Bow and Stern Pulpits Each Arm Has (2) Heavy Duty Stainless Steel Rail Mounting Brackets and Stainless Steel Hardware Rotates Out for Use Folds Flat When Not In Use Two Stainless Steel Tie Down Points on Each Arm Instantly Adjust and Locks in Place with Just A Twist of the Knobs Includes UV Resistant Polyethylene Foam Pads Over Mirror Polished Stainless Steel Tube Package Contents: Magma Rail Mounted Removable Kayak/SUP Rack Magma R10-626: Mounted Removable Kayak/SUP Rack Rail