McMurdo SmartFind M15 AIS Receiver [21-300-001A] Top Picks for Foul Weather Sailing Gear 22mm (7/8") diameter mast collar

22mm (7/8") diameter mast collar post or 22mm (7/8") wide mast collar plate/tang

Securely moors boats up to 3500 lbs (1500 kg)

12V DC Amps: 990mA

Wichard Single 2 49/64" (70mm) Ball Bearing Block w/ Swivel Head

Wichard 13/32" Diameter Bow Shackle w/ Captive Pin - Black

McMurdo SmartFind M15 AIS Receiver [21-300-001A] Top Picks for Foul Weather Sailing Gear 22mm (7/8") diameter mast collarSmartFind M15 AIS Class B Receiver The SMARTFIND M15 is a low cost receiver that puts AIS technology within the reach of even those on a limited budget. It receives all Class A, Class B, AIS SART, AIS MOB and AIS Base Station transmissions, plotting their positions directly on your chartplotter or PC Mac using the PC AIS Viewer software supplied. At only 128 x 88 x 36 mm it is compact and easy to install and set up, supporting integration with