Product Description
These glass filled nylon injection molded sheaves were made for large boat blocks. They are extremely strong and are ideal for making wooden blocks or for masthead sheaves for halyards.Articles about making your own blocks:
Part # | ID | OD | Thickness | Rope size |
RL-E-5/8 | 3/8" | 2-1/2" | 3/4" | 5/8" max |