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Harken Block - Black Magic 57mm Single - Swivel / Becket (Low-Load) (3229)

SKU: HAR3229  |  Manuf. Code: 3229
List Price:  $321.30 USD
$282.95 USD

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DESCRIPTION

Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. A center cage keeps Torlon® roller bearings separated and parallel to reduce friction. Shackle blocks lock in two directions or swivel to keep line from twisting.

Low-load blocks have red isolators. They use Torlon® rollers and 316 stainless steel shackles. Standard blocks have 17-4 PH stainless headposts.

Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.

Our Part # HAR3229 | Mfr. Part # 3229

FEATURES

  • 57mm composite sheave diameter.
  • Single block with swivel head.
  • Integrated becket for cascading systems.
  • Lightweight, durable design.
  • Suitable for low-load applications.

KNOWLEDGE BASE

TECHNICAL INFORMATION

DescriptionImperialMetric
Sheave 2 1/4 in57.0 mm
Length5 1/2 in14.0 cm
Weight5.95 oz169.0 g
Maximum line 1/2 in12.0 mm
Maximum working load1655.0 lb750.0 kg
Breaking load3300.0 lb1500.0 kg
Shackle pin 1/4 in6.0 mm