Harken 45 mm Aluminium Element Block-Swivel Apparel & Personal Gear This provides a superior load-carrying

This provides a superior load-carrying ability and longevity when compared to other bearing systems which run on a plastic rail

Selden Boom Inboard End Assembly

Hartley Boats H10 Cruise Mainsail

Combination-Ready:Designed to fit the 190-220 Road Base

Harken 45 mm Aluminium Element Block-Swivel Apparel & Personal Gear This provides a superior load-carrying45 mm Aluminium Element Block Swivel Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element's design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for size, Element is priced significantly lower, than our previously least expensive blocks. Sideplates are hardcoat anodized to resist