Ronstan Series 30 Orbit Block, Stand Up Swivel – 300kg MWL

Maximize your sailing performance with the Ronstan Series 30 Ball Bearing Orbit Block. Engineered with an industry-leading strength-to-weight ratio, this stand-up swivel block delivers exceptional efficiency and durability for demanding applications. Featuring a proven two-stage ball bearing system, it ensures minimum friction across the full working load range. Elevate your rigging system today with Ronstan's advanced composite technology.

Key Benefits & Features:

• Ultra-Lightweight Design: Weighing only 33g (1.2oz), it offers superior performance without adding unnecessary bulk.
• High Working Load: Boasts a maximum working load (MWL) of 300kg (660lbs) and a breaking load of 600kg (1320lbs), ensuring reliability under pressure.
• Low-Friction Operation: Features a 2-stage ball bearing system with high compression strength Acetal bearings for consistent, smooth performance.
• Durable Construction: Built with a 30mm (1-3/16") sheave of carbon black Acetal and a fiber-reinforced Nylon frame, linked by UV-stabilized SK75 Dyneema® for extreme resilience.
• Compact & Versatile: Its low-profile design and multiple attachment options provide secure and adaptable integration into various rigging setups.

Applications:

• Ideal for mainsheet systems and spinnaker sheets on dinghies up to 5 meters (16 feet).
• Suitable for halyard, vang, and backstay applications on boats up to 5 meters (16 feet).
• Excellent for control line applications on larger yachts.