Description
HARKEN 16mm Swivel Air Block – 417
HARKEN 16mm Swivel Air Block – 417 is Harken sailing hardware engineered for reliable marine use in the application indicated by its model and configuration.
- 16 mm Sheave Size: Ideal for small control lines and light trim systems.
- Swivel Capability: Allows the block to rotate freely, minimizing line twist.
- Low-Friction Performance: Ensures smooth line movement under load.
- Lightweight Construction: High-strength, marine-grade materials reduce added weight.
- Marine Hardware Component: Suitable for dinghy and small-boat control line applications.
HARKEN 16 mm Swivel Air Block – Model 417 Overview: The HARKEN 16 mm Swivel Air Block Model 417 is engineered for small-diameter control lines on dinghies and light sailboats. Its swivel design allows the block to rotate freely under load, reducing line twist and friction for efficient sail handling.
For best results, confirm the Harken part number and system compatibility before installation, and operate the hardware within Harken’s published line-size and load limits.
Specifications
- Manufacturer: Harken
- Part Number: 417
- Nominal Size: 16 mm
- Configuration: Swivel
- Key Spec: 16 mm swivel air block
- Application: Marine
- 16 mm Sheave Size: Ideal for small control lines and light trim systems.
- Swivel Capability: Allows the block to rotate freely, minimizing line twist.
- Low-Friction Performance: Ensures smooth line movement under load.
- Lightweight Construction: High-strength, marine-grade materials reduce added weight.
- Marine Hardware Component: Suitable for dinghy and small-boat control line applications.

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