Our Universal Tubes will fit into any cylinder shape(over 1-1/2" dia. width) similar to a rod holder. Specs: - Qty. 2 - 3-1/2 aluminum pads with qty.3 1/4" holes for backrest attachment 30" L 1-1/2" aluminum tubes angled at 90 degrees **Note: We can shorten the length of the aluminum tubes; Please request upon placing the order. CUSTOM SIZES AVAILABLE upon request for an additional fee. Keep all of your marine accessory needs with Marine Fiberglass Direct. *All International Orders may require additional shipping charges depending on location.