Gimbal bracket swivel adapter.GBSA-1Works with: Accumap Cuda 168 EX Fish I.D. 128 FishEasy 250 DS FishElite 480 FishElite 502C iGPS FishElite 642C iGPS FishMark 640C GlobalMap 3500C GlobalMap 3600C iGPS GlobalMap 4800 IntelliMap 320 IntelliMap 502C iGPS IntelliMap 642C iGPS LMS-160 Map LMS-332C LMS-337C DF LMS-339C DF iGPS LMS-480 Magna III Magna III Plus MagnaView MagnaView Plus Optima SeaCharter 640C DF SeaCharter 642C DF iGPS SeaFinder 320DF SeaFinder 640C DF SeaView 1200 SeaView 1600 SeaView 600 SeaView 800 Strata 128 StrataView 128 SupraPro I.D. Ultra Classic UltraMap X102C X107C DF X125 X126DF X135 X136DF X-22A X-25A X-25B X-45 X47EX X-48 X-65 X-75 X-85 X-86 DS X96Product : LOWRANCE GBSA-1 51-83 GIMB BRKT SWIV ADAPT. Manufacturer : LOWRANCE PARTS Manufacturer Part No : 51-83