HarkenHarken 57 mm High-Load Block w/ Swivel 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: 1959

Imperial Metric
Sheave Dia. - 57 mm
Length 5 1/2" 140 mm
Weight w/Shackle 5.5 oz 155 gr
Shackle Pin Dia. 1/4" 6 mm
Max Line Dia. 7/16" 12 mm
Maximum Working Load 2500 lbs 1134 kg
Breaking Load 5000 lbs 2268 kg

Click Image to Zoom
Code: HAR1959

Price: $161.80
Original Price:$219.85
(You Save: $58.05)


    © Site content copyright Mauri Pro Sailing, LLC. All rights reserved
    Site developed by Mauri Pro Sailing
    Mauri Logo