4700 1 1 Stainless Steel Extension ZZZ OMC Brand in addition to Bluetooth (R) LOAD CAPACITY in addition to Bluetooth (R) and Ethernet networking for compatibility with the One Boat Network ™ family of products from Humminbird Hook and loop adjustable cuffs and interior storm cuffs Shakespeare Style 4700 1 Extension MastShakespeare extension masts can be used to extend the reach of smaller marine antennas by increasing their height above the water or by helping them clear obstructions that would otherwise interfere with proper radiation 1' longStainless steel constructionStandard 1" 14 threads male upper female lowerOne inch diameterDurable and attractiveProduct : SHAKESPEARE EXT 1FT 4700 1 SS Manufacturer : SHAKESPEARE MOUNT Manufacturer Part No : 4700 1 UPC : 719441110628