Ronstan RF40530 Series 40 Fiddle Block with Becket and Cleat

Ronstan Series 40 Fiddle Block with Becket and Cleat

This versatile block features a low-friction Acetal or Torlon® bearing system for optimal performance, making it ideal for various sailing applications. Its lightweight design and cheek cut-outs facilitate easy maintenance, while the Captive Lock™ universal head allows for multiple rigging orientations. The integrated multi-position cleat arm offers quick adjustments without the need for tools.

Applications:

• Mainsheet
• Halyard
• Vang
• Spinnaker control lines on off-the-beach catamarans and sportsboats up to 8m (26ft)
• Used in direct 4:1 purchase systems such as mainsheets and boom vangs
• Fine-tune mainsheet tackles, outhauls, cunninghams, and traveller controls on larger boats.

This block’s two-stage ball bearing system ensures reliable performance, while the removable becket pin allows for line splicing before installation.