Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573] Boat Outfitting | Gauges Key Features:

Key Features:

Shorter masts are useful for mounting marine TV antennas

and a wireless Vantage Connect (#6620) or WeatherLink

Black Plastic Top with Clear Fluted Lens & Frosted Globe

The design achieves a nicely rounded internal profile for smooth control line trim under load

Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573] Boat Outfitting | Gauges Key Features:Series 25 Utility Block Single Swivel Shackle Head Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket for extra purchase. Features: Lightweight durable construction Economical Maintenance free Applications: Vang, cunningham and trapeze retriever systems on dinghies Leech line tackles, bunk adjusters, etc