Select Page

Current Murrays Sports information regarding COVID-19 virus outbreak, our policy and status at this time. UPDATED 01/06/2021 We are open and shipping.
Current COVID-19 Notice

Harken Block 57mm Carbo Triple with Swivel

$144.05 each

Product Description

Harken Block 57mm Carbo Triple with Swivel

Harken’s low-friction Carbo AirBlock┬« is lightweight, strong, reliable and affordable. It has an enormous working range, with a very high working load for safe, easy trimming. It has a higher working load than standard blocks, even though it is lighter in weight! Use with #28-2629 base block for a 6:1 carbo low-profile mainsheet system.

Can be used as top block for H16 6:1 mainsheet system or a light air H18 6:1 mainsheet system.


  • Sheave diameter: 2-1/4″ (57 mm)
  • Length: 4-3/4″ (121 mm)
  • Weight: 9 oz. (255 g)
  • Shackle pin diameter: 1/4″ (6 mm)
  • Maximum working load: 2380 lb. (1080 kg)
  • Maximum line diameter: 7/16″ (10mm)
  • Breaking load: 5000 lb. (2270 kg)

Additional information

Weight 0.56 lbs
Dimensions 4 × 3 × 3 in

You may also like…