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Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working loads for safe, easy trimming no matter how hard the wind blows.

  • Strong and Compact
  • Low-friction
  • Lightweight
  • reliable—and affordable
  • Carbo Blocks are 30% lighter with a 60% higher working load than Classic blocks.

  • Features: Sideplates of high-strength resin are UV-stabilized to provide excellent protection against long-term exposure to saltwater and sun.
    Carbo blocks are perfect for the small-diameter lines favored by racers.

    Details Make the Difference Ball bearings, sheave, and sideplates are UV stabilized with carbon black for maximum protection.

    Three-Way Cam-Lock Patented switch locks shackle in front or side positions, or lets block swivel to keep line from twisting.

    Harken Carbo Blocks