Ronstan Series 40 Triple All Purpose Block, Swivel Head, 40mm

Elevate your rigging efficiency with the Ronstan Series 40 Triple All Purpose Block. Engineered for exceptional performance and durability, this versatile block is designed to handle both dynamic and high static loads with ease, ensuring reliable control for sheets, halyards, and control lines. Its robust construction and low-friction operation make it an essential component for competitive racing and recreational cruising. Upgrade your sailing setup for smoother, more responsive line management today.

Key Features & Benefits:

• Triple Sheave Configuration: Provides superior power and versatility for complex rigging systems, managing multiple lines efficiently.
• Captive Lock™ Universal Swivel Head: Offers adaptable line management with the ability to swivel freely or be locked in one of two planes for optimal lead angles.
• Self-Lubricating Acetal Polymer Sheaves: Runs on polished Grade 316 stainless steel races, ensuring incredibly low friction and extended service life.
• High-Strength Construction: Features impact and UV-resistant fibre-reinforced Nylon cheeks and Grade 316 stainless steel fittings for ultimate durability in harsh marine environments.
• Exceptional Working Loads: Boasts a Maximum Working Load (MWL) of 1540 lbs (700 kg) and a Breaking Load (BL) of 3090 lbs (1400 kg), providing robust reliability for critical applications.
• Slotted Pin Shackle: Ingeniously designed to eliminate fouled lines, ensuring hassle-free and swift adjustments.
• Maximum Line Size: Accommodates ropes up to 3/8 inch (11 mm) diameter, compatible with a wide range of marine lines.

Applications & Compatibility:

Ideal for mainsheet, halyard, vang, and spinnaker control lines on off-the-beach catamarans, one-design classes, and sports boats up to 8m (26ft) in length.