Click to expand Tap to zoom Aerovane mast crane adaptor by Allen Save £0.00 Save £-8.74 Original price £8.74 - Original price £8.74 Original price £8.74 £8.74 - £8.74 Current price £8.74 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Aerovane Mast Crane Adaptor. Used to pair an A.171 with any tapped or un-tapped keelboat mast crane.