Backing plate for ø10 mm T-terminal, Shroud attachment only, section F228-F305 Wire ø4 mm The BBB40 Fiddle Block features

The BBB40 Fiddle Block features a large 40 mm primary sheave and a smaller secondary sheave for increased mechanical advantage in rigging systems

It features a swiveling shaft with swivel lock - a plastic washer which is placed between block body and shackle for fixed 0° or 90° shackle position

L-MIN: 165 mm

L-MAX: 205 mm

This block is optimised for ø8 mm soft wires (7x19 strand) or Dyneema / Spectra core

Backing plate for ø10 mm T-terminal, Shroud attachment only, section F228-F305 Wire ø4 mm The BBB40 Fiddle Block featuresImportant do not reconfigurate the set up of your standing rig without consulting the maker of your mast. Learn about the applications in our Yacht Catalogue, page 22 and 177. https: support. seldenmast. com files 1719821099 595 808v8 E. pdf The backing plate comes complete with Monel pop rivets. Important information about use of T terminals and backing plates: Cap shrouds, intermediates, lowers, runners and forestays are often connected to the mast