Ronstan Series 40 All Purpose Fiddle Block with Cleat (RF41520)

The Ronstan Series 40 All Purpose Fiddle Block with integrated cleat is a versatile solution for sheets, halyards, and various control line applications on cruising and racing sailboats. Engineered for high performance under both dynamic and static loads, this block features a self-lubricating Acetal polymer sheave that runs on a polished stainless steel race.

Key Features:

• Captive Lock universal head adjustable to two planes or free-swiveling
• Slotted pin shackle design to prevent fouled lines
• Multi-position, tool-free adjustable cleat arm
• High working load capacity with low maintenance requirements
• UV-stabilized Acetal sheaves and impact-resistant, fiber-reinforced nylon cheeks
• Grade 316 stainless steel load strap, head fitting, and bearing race

Recommended Applications:

• Mainsheets, halyards, and vang systems
• Spinnaker control lines on catamarans, one-design classes, and sportsboats up to 8m (26ft)
• Fine-tune mainsheet tackles, cunninghams, and backstay systems