Harken #HSB379 is a 57mm triple fiddle block with swivel used for 12:1 mainsheet systems on beach cats.
Low-friction Carbo AirBlocks® are lightweight, strong, reliable and affordable. These small, compact blocks have very high working loads for safe, easy trimming.
- Sheave Diameter: 2-1/4"
- Length: 6"
- Maximum Line Diameter: 7/16"
- Maximum Working Load: 2380 lb.
- Breaking Strength: 5000 lb.
- Weight: 11.15 oz.
Special order item.