Ronstan Series 40 Orbit RT Block with Becket & Swivel

The Ronstan Series 40 Orbit RT Block is engineered for superior strength and performance, making it the ideal choice for sailing applications. Designed with advanced technology, it features class-leading dynamic and static load ratings, ensuring reliability even under high stress. The innovative design utilizes lightweight, toughened glass fiber reinforced nylon for the cheeks, eliminating the need for traditional stainless steel straps and maintaining an optimal performance balance.

This block is versatile, offering configurations including single swivel blocks and options for lashing or soft attachment, capable of handling complex systems such as a 12:1 purchase mainsheet for performance catamarans. The Series 40 Orbit Block is equipped with Ronstan's carbon-reinforced C-Cleat for effective rope holding and easy operation from any angle, with adjustable stainless steel cleat arms for personalized use.

Incorporating a 2-stage bearing system, this block reduces friction for smooth operation. The high load variants are specially designed to withstand intense dynamic and static loads, featuring durable stainless steel sheaves and hubs along with a triple bearing race for low friction performance under extreme conditions.

• High load capacity with enhanced dynamic and static ratings
• Lightweight and strong construction with reinforced nylon
• Efficient and low-friction two-stage ball bearing system
• Various attachment options including soft attachment and swivels
• Compact design for optimized space and performance
• High performance cleating mechanism