traveler block / ball bearing / single / with single counter-block



  • Type:

    traveler, ball bearing

  • Number of sheaves:


  • Configuration:

    with single counter-block

  • Maximum line diameter:

    max. rope ø 8 mm

  • Application domain:

    for sailboats

  • Working load:

    150 kg (330.7 lb)

  • Breaking load:

    454 kg (1,000.9 lb)


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

Other Harken products

Carbo Air Blocks