Harken 80mm Aluminum Element Footblock - w/Lockoff GPS This plastic interior trim ring

This plastic interior trim ring finishes off interior installation of vent

Powerful DirectiveForce Magnets for Fast Heading Lock-on

Push-button adjustment with Torlon™ ball locking mechanism

Compact Size for Easy Handling and Storage

Tank Capacity: 11 Gallons

Harken 80mm Aluminum Element Footblock - w/Lockoff GPS This plastic interior trim ringElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Elements 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 Harkens previously least expensive blocks. Sideplates are hardcoat anodized to resist corrosion. A tough composite bearing