Shim, 10 x 285 x 40 mm, for Mast Jack System D63/400 Cover Upper block: 406-601-06

Upper block: 406-601-06

This bow ring assembly makes for a flexible installation as the ring can be positioned and fixed in a perfect direction for the outboard end of the bowsprit to end up on the prolonged centerline of the boat

This cleat can be mounted on both flat and curved surfaces using rivets

M-MIN: 175 mm

Ideal for sailors who occasionally want to optimize their boat for racing by use of overlapping jibs

Shim, 10 x 285 x 40 mm, for Mast Jack System D63/400 Cover Upper block: 406-601-0610 mm thick aluminium mast jack shim. Pump up the mast, place shims below T base and mast heel and release pressure. Read all about Seldns mast jack systems on our website. https: support. seldenmast. com files 1723731359 597 107 E. pdf