Description

Designed for the Optiparts Optimist School Mast, this plain bearing halyard block provides dependable halyard operation in a simple and durable design. Stainless steel cheeks and a nylon sheave offer reliable performance while requiring very little maintenance.

An ideal replacement block for sailing schools and club boats where durability and ease of use are essential.

Features

• Designed for Optiparts School Mast
• Plain bearing construction
• Stainless steel cheeks
• Nylon sheave
• Reliable halyard operation
• Low-maintenance design

Specifications

• Sheave diameter: 22 mm
• Maximum line diameter: 6 mm
• Breaking load: 350 kg