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Harken  |  SKU: HAR3215  |  Manuf. Code: 3215

Harken Block - Black Magic 57mm Single - Swivel

$206.95 USD $258.69

Description

The Black Magic 57mm Single - Swivel #3215 is a lightweight block that performance racers and cruisers love. It’s perfect for managing high-action sail controls with ease, thanks to its free-running design. This block offers reliable performance without the hassle of twisted lines.

Features & Benefits

  • Lightweight and free-running for efficient sailing
  • Center cage with Torlon roller bearings reduces friction
  • Swivel and locking capabilities for versatile use

Crafted with Torlon roller bearings and a unique center cage, this block ensures reduced friction and smoother operation. The block measures 57mm and is compatible with mainsheet, runner, halyard, and spinnaker systems. A trusted choice for those serious about sailing performance.

Usage

Ideal for high-action sail controls, this block excels in mainsheet, runner, halyard, and spinnaker systems, offering seamless performance on big boats.

Technical Information


DescriptionImperialMetric
Sheave 2 1/4 in.57.00 mm.
Length4 11/16 in.119.00 mm.
Weight5.36 oz.152.00 g.
Maximum line 7/16 in.12.00 mm.
Maximum working load2500.00 lb.1134.00 kg.
Breaking load5000.00 lb.2268.00 kg.
Shackle pin 1/4 in.6.00 mm.