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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 # HAR2617 | Mfr. Part # 2617

FEATURES

  • 57mm triple block configuration.
  • Swivel head for versatile articulation.
  • Integrated 150 Cam-Matic cleat.
  • Lightweight Carbo composite construction.
  • Ideal for mainsheet or control lines.

TECHNICAL INFORMATION

DescriptionImperialMetric
A2 1/4 in57.0 mm
B4 3/4 in121.0 mm
C1/4 in6.0 mm
Maximum working load1500.0 lb680.0 kg
Breaking load3750.0 lb1700.0 kg

KNOWLEDGE BASE

Harken Crossover Blocks 1981, 1984 — InstructionsSpecs, sizing, installation and maintenance for the Harken Crossover Blocks 1981, 1984, by Harken part number.View Manual →
Harken 57 mm Carbo AirBlocks — InstructionsSpecs, mounting and maintenance for the Harken 57 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 →