FCS II Pivot II Performance Glass Single FinUpright fin with minimal sweep and base. Loose fin for performing tighter turns in the pocket. Overview Pivot in the pocket, lock the rail on the wave face and run the nose. Upright fin with minimal sweep and base. Loose fin for performing tighter turns. Bigger sizes ideal for logs and nose riding (9 + 10). 2 + 1 Compatible. Designed to be used in most existing FCS Longboard boxes. No new box required. Performance Glass Performance Glass (PG) fins are