Scanstrut Arm Arm Arm Pod for 1 standard instrument | 4BoatsThe Arm Mounted Pod extends a Rail Pod away from narrow or crowded rails so one standard instrument is always clearly visible. Fits pedestal rails 25 mm to 33. 7 mm (0. 98 in 1. 33 in) Arm mounted to clear crowded or curved rails Holds one standard instrument Viewing angle set on installation for optimal sight lines Internal cable routing through the clamp onto the rail Pod seal made from high tear strength silicone, heat and UV resistant Supplied