Harken 40mm Carbo Block with Spring & Eyestrap – Lightweight High-Load Sailing Block

40mm Carbo Block with Spring Eyestrap

Low-friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.

Features:

• Sheave (mm): 40 mm
• Sheave (in): 1-9/16 in
• Maximum line (mm): 10 mm
• Maximum line (in): 3/8 in
• Maximum working load (kg): 220 kg
• Maximum working load (lb): 485 lb

The Harken 40mm Carbo Block with Spring & Eyestrap is engineered for high-performance sailing applications where reliability and ease of use are essential. Constructed with low-friction Carbo Air technology, this block offers a lightweight yet durable solution that seamlessly integrates with Harken's popular Black Magic line. Its compact design makes it ideal for various trimming tasks, providing sailors with precise control and confidence during operation. The robust construction supports maximum working loads up to 485 pounds, making it suitable for demanding marine environments. The block features a 40mm sheave that accommodates lines up to 3/8 inch in diameter, ensuring compatibility with standard sailing lines. The inclusion of a spring and eyestrap enhances functionality by allowing easy attachment and smooth operation under load, contributing to safer and more efficient sail handling. Whether used on racing yachts or cruising vessels, this block delivers consistent performance and reliability, backed by Harken’s reputation for quality and innovation. The lightweight design minimizes added weight aboard, optimizing boat performance without sacrificing strength or durability, making it an excellent choice for both professional sailors and serious enthusiasts.

Features:

• Sheave diameter: 40 mm (1-9/16 in)

• Maximum line diameter: 3/8 in (10 mm)

• Maximum working load: 485 lb (220 kg)

• Lightweight and durable Carbo Air construction

• Includes spring and eyestrap for easy attachment and operation