Harken 300 25mm Line/Wire Block with Shackle, 1000lb WLL

Elevate your sailing performance with the Harken 300 25mm Line/Wire Block. Engineered for efficiency, this lightweight, low-friction block is designed to effortlessly carry wire halyards and high-strength control lines on boats of all sizes. Featuring Hardkote-anodized, Teflon-impregnated sheaves and high-load composite bearings, it delivers smooth operation, superior strength, and exceptional corrosion resistance. Upgrade your rigging for reliable performance in demanding marine environments.

Key Benefits & Specifications:

• Compact Design: A 25mm (1 inch) sheave diameter ensures a streamlined profile without compromising strength.
• Ultra-Lightweight: Weighing only 28g (1oz), this block minimizes weight aloft, contributing to improved boat performance.
• High Working Load: Boasts a maximum working load capacity of 454kg (1000lb), confidently handling demanding loads.
• Robust Breaking Strength: Features a breaking load of 907kg (2000lb) for enhanced safety and durability.
• Versatile Compatibility: Accommodates wires up to 2mm (3/32 inch) and lines up to 4mm (5/32 inch), suitable for various rigging setups.
• Secure Attachment: Equipped with a 5mm (3/16 inch) shackle pin for reliable and strong connection points.
• Corrosion Resistant Sheave: Hardkote-anodized and Teflon-impregnated sheave provides excellent strength and resistance to harsh marine conditions.

Compatibility & Applications: Ideal for use with wire halyards, vangs, and control lines across a wide range of sailing vessels. This block is commonly recommended for one-design applications such as J/22 Vang Boom Block, Lightning Vang Block, and Star Vang systems.