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Harken Block - Black Magic 45mm Double - Loop (3390)

SKU: HAR3390  |  Manuf. Code: 3390
List Price:  $372.80 USD
$327.95 USD

You save 12% ($45 off List)
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DESCRIPTION

The Harken Block - Black Magic 45mm Double - Loop #3390 is a popular choice among big boat racers and cruisers who need reliable sail control. This lightweight loop block is perfect for tasks like handling mainsheets, runners, halyards, and spinnaker systems. Its smart design ensures smooth operation with reduced friction, making sailing a breeze.

Benefits

  • Lightweight and efficient performance
  • Reduces friction with Torlon roller bearings
  • Soft-attachment Loop block for versatile use
  • Removable deadend post for easy attachment
  • Durable construction with a smaller, lighter block

Crafted with advanced materials, the Black Magic Air block features a center cage that optimizes the separation of Torlon roller bearings, minimizing friction. The primary load is carried by the sheave center, allowing for a smaller and lighter block design. Compatible with a variety of rigging setups, this loop block is ideal for those looking to enhance their sailing experience. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C. Dimensions: 45mm.

Our Part # HAR3390 | Mfr. Part # 3390

FEATURES

  • High-strength composite body.
  • 45mm double sheave.
  • Efficient ball bearing system.
  • Secure loop attachment.
  • Ideal for cascade systems.

KNOWLEDGE BASE

TECHNICAL INFORMATION

DescriptionImperialMetric
Sheave Ø1 3/4 in45.0 mm
Length Ø2 1/2 in63.0 mm
Weight 3.63 oz103.0 g
Maximum line Ø3/8 in10.0 mm
Maximum working load1653.0 lb750.0 kg
Breaking load3306.0 lb1500.0 kg