LEWMAR 90mm Synchro Double Block - Swivel, 29929002BK Block Size_38 mm They also perform a variety

They also perform a variety of control functions on many boats

There is a utility block for almost any light to moderate load application

the Orbit Blocks™ have the highest working loads in their class and feature an improved two-stage bearing system that efficiently handles static and dynamic forces throughout the load range

Formulated to lubricate pawls

Low-friction Micro blocks are compact and lightweight

LEWMAR 90mm Synchro Double Block - Swivel, 29929002BK Block Size_38 mm They also perform a varietyThe 90mm double block is well suited for vangs, mainsheet systems, and halyard tuning systems. The larger sheave diameter works well with lines up to 9 16". Synchro blocks combine geometry, sheave ratios, and a unique Free Spin bearing to deliver performance thats comparable to ball and roller bearing blocks used in racing but at a more affordable price. Designed to optimize the relationship between block and line, these blocks have self aligning