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DESCRIPTION

Low-friction Carbo Air blocks are lightweight, strong, reliablend affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.

Footnote: Maximum working loads and breaking loads for blocks based on cam strengths.

Our Part # HAR2647 | Mfr. Part # 2647

FEATURES

  • 40mm triple sheave block.
  • Integrated 471 Carbo-Cam cleat.
  • Swivel head for versatility.
  • High-load composite construction.
  • Provides mechanical advantage.

TECHNICAL INFORMATION

DescriptionImperialMetric
A1 9/16 in40.0 mm
B3 11/16 in94.0 mm
C3/16 in5.0 mm
Maximum working load750.0 lb340.0 kg
Breaking load1500.0 lb680.0 kg

KNOWLEDGE BASE

Harken 40 mm Carbo AirBlocks — InstructionsSpecs, mounting, spare parts and maintenance for the Harken 40 mm Carbo AirBlocks, by Harken part number.View Manual →
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 →