Ronstan RF46530 Series 40 Orbit RT Block Quin Becket Cleat

The Ronstan RF46530 is a high-performance Series 40 ball-bearing Orbit RT Block featuring quintuple (quin) sheaves with integrated becket, cleat, and swivel. Designed for demanding marine applications, this block delivers class-leading load ratings in a lightweight, compact package. The toughened glass fiber reinforced nylon cheeks provide exceptional strength while reducing weight compared to traditional stainless steel construction.

Key Features:

• Quintuple sheave configuration with becket for complex purchase systems
• Low-friction 2-stage ball bearing system for smooth, effortless operation
• Integrated carbon-reinforced C-Cleat with adjustable stainless steel arms for secure rope holding
• Class-leading dynamic and static load ratings: 1320 lb MWL, 2650 lb breaking load
• Lightweight construction at just 13.0 oz
• Compact, low-profile design for tight installations
• Accepts rope up to 5/16 inch diameter

Applications:

• Mainsheet systems on dinghies, off-the-beach catamarans, and sportsboats up to 26 feet
• Spinnaker sheets and control line applications
• Halyard, vang, and backstay systems on boats to 30 feet
• High-ratio purchase systems up to 12:1

Specifications:

• Sheave Diameter: 1-9/16 inches (40mm)
• Maximum Rope Diameter: 5/16 inch
• Pin Diameter: 5/32 inch
• Maximum Working Load: 1320 lbs
• Breaking Load: 2650 lbs
• Weight: 13.0 oz (0.81 lbs)

The Ronstan Series 40 Orbit Blocks represent the perfect balance of performance, strength, and reliability for serious sailors demanding the best from their deck hardware.