close
HarkenHarken 57 mm High-Load Double Block w/ Swivel and Becket
Product Description

Use 57 mm Black Magic® AirBlocks® on offshore boats. These strong, lightweight blocks are sculpted aluminum, with Torlon® rollers and carbon-black balls for strength and UV protection. Rollers are housed in a unique center cage and are isolated for less friction. Blocks feature a three-way head system and come in high- and low-load configurations.

Use for:
Sheets, Halyards, Running backstays and Control lines.

Part Number: 1961


Specifications
Imperial Metric
Sheave Dia. - 57 mm
Length 6" 152 mm
Weight w/Shackle 10.6 oz 302 gr
Shackle Pin Dia. 5/16" 8 mm
Max Line Dia. 7/16" 12 mm
Maximum Working Load 3600 lbs 1633 kg
Breaking Load 7200 lbs 3267 kg

Harken 57 mm High-Load Verdoppeln Blöcke mit Schwenken und Hundsfott
Harken 57 mm Alta Carga Polea Doble con Pivote y Arraigo
Harken 57 mm Charge Haut Double Poulie à Emerillon Et Ringot
Harken 57 mm Carico Elevato Doppio Bozzelli con Girevole e Arricavo
Click Image to Zoom
    Code: HAR1961
    Original Price:$379.85
    Price: $262.10
    (You Save: $117.75)

    Currency:
    Quantity in Basket: None
    Quantity:
    PayPal © Site content copyright Mauri Pro Sailing, LLC. All rights reserved
    Site developed by Mauri Pro Sailing
    Mauri Logo