Roswell Board Rack SI SwivelThis economic board rack swivel by Roswell is designed to increase the convenience and functionality of your board rack. The easy to use manual locking pin features a compress dampener that allows you to select 1 of 3 different positions for your board rack. Constructed from machined aluminum with a brushed anodized finish for saltwater resistance and a long working life.Product Features: Anti-Vibration Rubber Dampener; Easy Pull Manual Locking Pin; Included Adapter Plate; Saltwater Friendly; Brushed Anodized Finish; 3 Locking Positions:; 90 Out of Boat; 45 Straight Back; 90 Into Boat;