Cleverly Designed Seat Swivels Produced By Mapa Of Italy. Mapas Swivels Are All Crash Tested And Produced To A Very High Standard Indeed. The Seat Swivels Work On A Friction Disk System. All Mapa Seat Swivels Are Boxed Individually And Come Complete With Fixing Bolts. Boxer / Ducato X250 2007 On Select Side.