57mm Block Double / Becket Swivel

Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems.
In stock
SKU
HK3218
€439.00
Harken® 57mm Block Double / Becket Swivel HK3218

Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems.
Specifications
ArticleSheave dia. mmLength mmShackle pin mmWeight gr.
HK3215571196152
HK3217571328336
HK3218571528352
HK3226571196154
HK3227571146200
HK3229571406169
HK3231751298331
HK3232751578363
HK32337513410721
HK32397514612.7318
HK324610020310623
HK325110015715.9481
More Information
Series Black Magic
Model 57 mm
Block type Becket
Number of sheaves 2
Bearing Needle bearing
Max rope diameter 12 mm
Swivel Yes
Cam No
Ratchet No
Breaking Strength (kg) 3267
Safe Working Load (kg) 1633