Harken 57mm Carbo Ratchamatic Cheek Block - 2633

This Harken 57mm ratchamatic cheek block senses the load going through the sheet and automatically engages the ratchet when needed. There is no need to change your ratchet while sailing, this cheek block automatically adjusts for the best performance.

Please note: This product comes with a lead time expected to be up to 10 working days.

Specifications

• Sheave - 57mm
• Length - 83mm
• Weight - 89g
• Maximum line - 10mm
• Fasteners - M4mm
• Maximum working load - 227kg
• Breaking load - 907kg
• Holding power - 10:1