- Delivery & Returns
Harken 391 16mm Air Sprit Block/Hook-In Halyard Block.
- Sheave diameter: 16mm
- Length: 41mm
- Weight: 13g
- Maximum line size: 5mm
- Maximum working load: 113kg
- Breaking load: 181kg
Delivery & Returns
You can select your preferred delivery option or local pick up from Rooster at checkout.
We are happy to accept your returns so long as you send them back within 90 days.
For full details on all our terms and conditions click here.
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Phone: +44 (0)1243 389997