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The Carbo Air block is a strong, low-friction, and lightweight component designed for efficient sail handling. It features a removable bolt that allows for versatile connection points on your vessel. Despite its small and compact size, it offers a very high working load for safe and easy trimming. This block serves as an upgraded pulley system when attached to a mast collar or clew ring. It is a direct replaceable version of Harken product 348 or 371.
Material: Constructed from Carbo Air for strength and low friction.
Weight: Lightweight design reduces overall rig weight.
Connection: Removable bolt enables attachment to various locations.
Performance: Very high working load ensures safe and easy trimming.
Application: Ideal for mast collars or clew rings as an upgraded pulley system.
Compatibility: Replaceable version of Harken product 348 or 371.
Specifications
• Brand: Harken
• Reference: HSB464
• Sheave Ø: 29 mm
• Length: 49 mm
• Weight: 23 g
• Maximum line Ø: 8 mm
• Maximum working load: 150 kg
• Breaking load: 454 kg






