We Ship Worldwide! | FREE SHIPPING! for US Continental orders over $145. Click for details.

Harken Block - Black Magic 57mm Single - Swivel (3215)

SKU: HAR3215  |  Manuf. Code: 3215
List Price:  $266.65 USD
$234.95 USD

You save 12% ($32 off List)
Price Match Guarantee Price Match Guarantee
Our Best Price Guarantee
  1. We Price Match against authorized dealers only, based on the total order cost (product + shipping).
  2. No auction sites
  3. No unauthorized sellers
  4. Item must be identical, new, and in stock
Found it cheaper? Chat with us to request a Price Match.

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.

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.

FEATURES

  • Black Magic single block
  • 57mm sheave diameter
  • Swivel head for articulation
  • Reduces line twist
  • Versatile control line applications

KNOWLEDGE BASE

TECHNICAL INFORMATION

DescriptionImperialMetric
Sheave 2 1/4 in57.0 mm
Length4 11/16 in119.0 mm
Weight5.36 oz152.0 g
Maximum line 1/2 in12.0 mm
Maximum working load2500.0 lb1134.0 kg
Breaking load5000.0 lb2268.0 kg
Shackle pin 1/4 in6.0 mm