Scotty #1027 Rail Mount for All Scotty Downrigger Models Wooden board (not included) transfers the downward pressure to the boat gunnel Fits all Scotty downriggers and can be used with No 1026 Pedestal Swivel Mount Rail mount fits up to 1 1/2-inch round rail, or oval-shaped wooden rails Dimensions: 6 1/8-inch x 7 1/8-inch Fits all scotty downriggers and can be used with no. 1026 pedestal swivel mount use a wood block or plate for extra stability-NOT INCLUDED