Harken 29mm Double Block – 381
This Harken 29mm double block creates low friction and is lightweight, strong and reliable. These small, compact blocks have very high working loads for safe, easy trimming.
Ideal for a mainsheet or jib purchase system.
Specifications
- Sheave Ø – 29mm
- Length – 54mm
- Weight – 34g
- Maximum line Ø – 8mm
- Maximum working load – 299kg
- Breaking load – 737kg