Description
HARKEN 29mm Carbo Block Single Fixed – 348
HARKEN 29mm Carbo Block Single Fixed – 348 is a Harken Carbo-family block built for efficient line handling with a high strength-to-weight ratio and low-friction operation.
- 29 mm Sheave: Accommodates medium-diameter control lines commonly used on sailboats.
- Single Fixed Design: Provides secure and stable line redirection.
- Low-Friction Performance: Smooth operation minimizes line wear and effort.
- Carbo Construction: Lightweight, corrosion-resistant material for marine durability.
- Marine Hardware Component: Suitable for mainsheet, traveler, or general control line systems.
HARKEN 29 mm Carbo Block Single Fixed – Model 348 Overview: The HARKEN 29 mm Carbo Block Single Fixed Model 348 is engineered for efficient redirection of medium-diameter control lines. Its fixed single sheave provides smooth, low-friction operation, making it ideal for small to mid-sized sailboats and light marine applications.
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: 348
- Series / Family: Carbo Air
- Nominal Size: 29 mm
- Configuration: Single, Fixed
- Construction: Fiber-reinforced composite / Carbo family
- Key Spec: 29 mm single fixed Carbo block
- Application: Marine
- 29 mm Sheave: Accommodates medium-diameter control lines commonly used on sailboats.
- Single Fixed Design: Provides secure and stable line redirection.
- Low-Friction Performance: Smooth operation minimizes line wear and effort.
- Carbo Construction: Lightweight, corrosion-resistant material for marine durability.
- Marine Hardware Component: Suitable for mainsheet, traveler, or general control line systems.

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