Superthermal™ Hydrobase® provides amazing moisture wicking properties that carry sweat away from the body fast to keep you dry

For boats less than 15 m (50')

(Note: Powder binder is the correct selection to be used with epoxy based resins)

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(kg) 550 Max

Ronstan Series 29 Utility Block, Double Loop Top RF81 SAIL BOAT HARDWARE Superthermal™ Hydrobase® provides amazing moistureDouble, loop head FEATURES Lightweight durable construction. Economical. Maintenance free Specifications Product Specifications Type of Block Double Sheave diameter (mm) 30mm B. L. (kg) 600 M. W. L. (kg) 300 Max. Rope diameter (mm) 8 Weight (g) 40