Roswell Board Rack Mag SwivelThe MAG by Roswell is the world's first magnetic board rack swivel. The magnetic technology offers a smooth and easy to use operation with 2 locking positions. Constructed from machined billet aluminum with a brushed anodized finish for excellent marine durability. When used with clamp the adapter is required for level swivel motion. Simply compress the dampeners to lock or unlock.Product Features:Saltwater FriendlyBrushed Anodized Finish2 Locking Positions:90° Out Of Boat90° Into BoatCalifornia Residents:WARNINGCancer and Reproductive Harm -P65Warnings.ca.gov