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DESCRIPTION

The Black Magic 100mm Single - Stand-Up #3254 is a great choice for those who seek performance and reliability in their sailing gear. It's a lightweight and efficient harken block, ideal for managing sail controls that see a lot of action. Designed for serious racers and cruisers, it combines strength with smooth operation.

Benefits

  • Lightweight and free-running for optimal performance.
  • Hard Lube-anodized sideplates and sheaves for excellent UV protection.
  • Torlon roller bearings for reduced friction and enhanced durability.
  • Includes padeye with specific hole spacing and base dimensions.

This block features a robust construction with Hard Lube-anodized sideplates and sheaves, offering maximum UV protection and a sleek surface. It’s equipped with a center cage that keeps Torlon roller bearings separated and parallel, minimizing friction for smooth operation. The block's base dimensions match those of the 648 padeye, ensuring compatibility with various setups.

Usage

Perfect for sail controls that require frequent adjustments, this harken block is well-suited for both big boat performance racing and cruising, providing dependable performance under demanding conditions.

Our Part # HAR3254 | Mfr. Part # 3254

FEATURES

  • 100mm sheave diameter.
  • Single sheave configuration.
  • Stand-up spring for optimal alignment.
  • Prevents block from flopping.
  • Robust stainless steel components.

TECHNICAL INFORMATION

DescriptionImperialMetric
Sheave4.0 in10.1 cm
Length7 11/16 in19.5 cm
Weight29.77 oz844.0 g
Maximum Line5/8 in16.0 mm
Maximum working load7501.41 lb3402.0 kg
Breaking load15002.82 lb6804.0 kg
A3 11/16 in93.0 mm
B3 13/16 in97.0 mm
C2 5/16 in59.0 mm

KNOWLEDGE BASE

Harken Mainsheet System Selection GuidePick a Harken mainsheet system by purchase and boat size: 4:1 to 8:1 tackles, gross/fine cascades, dedicated-winch.View Selection Guide →

Click here for the Owners Manual.