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  Home > Clearance Area > Harken Hardware Close Out > "Old" Black Magic Blocks > 57 mm Black Magic Blocks >

  Harken Hi-Load 57mm Stand Up Block
Harken Hi-Load 57mm Stand Up Block


 

List Price $294.35

Our Price $227.08

 
Savings: $67.27
Weight: 2 lb


Prod. Code: HR1965
Qty:

 
  • Product Description
  • Dimensions
  • Features
Manufacturer part #: 1965

Features American Metric
Name Stand-up/High-load
Sheave Ø - 57 mm
Length 4 1/2 in 114 mm
Weight w/shackle 7.4 oz 210 g
Shackle Pin Ø 1/4 in 6 mm
Max Line Ø 7/16 in 12 mm
Maximum Working Load 2500 lb 1134 kg
Breaking Load 5000 lb 2268 kg

Note: Includes padeye.
Manufacturer part #: 1965

Harken 1965 Stand-up/High-load   American Metric
Part No. 1965
A 2 7/32 in 57 mm
B 2 3/16 in 56 mm
C 11/4 in 32 mm
     
     
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
  • Control lines

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