Harken 40mm Carbo single block

Including VAT

This low friction, 40mm Carbo Boat Block from Harken is a suitable companion to their popular Black Magic Line, and is a lightweight, strong and reliable choice for all competitive boat racers.
The use of nylon resistant sidelplates ensures the Airbloc has a lower overall weight than the stainless steel straps of the classic models, whilst a reinforcement of densely packed glass fibres gives this boat block a high load bearing strength for safe, easy trimming.

  • Sheave Ø (mm) 40 mm
  • Length (mm) 64 mm
  • Weight (g) 40 g
  • Maximum line Ø (mm) 10 mm
  • Maximum working load (kg) 220 kg
  • Breaking load (kg) 735 kg


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  • Free delivery on orders over £40 Free delivery on orders over £40
  • Returns accepted within 30 Days* Returns accepted within 30 Days*
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