Ronstan Series 100 Double Orbit Block - RF109200

The Series 100 Double Orbit Block is a double-sheave sailing block designed for high strength and reliable performance. It features a lockable swivel head and precision-machined alloy construction for durability under heavy loads.

Features:

• Forged shackle made from high-strength stainless steel for secure attachment
• Lockable swivel head post that can be fixed at 0 or 90 deg. for versatile use
• Captive ball bearings reduce friction and handle side thrust loads efficiently
• Precision-machined alloy cheeks provide strength while minimizing weight
• Wide bearing surface with Torlon needle rollers for enhanced durability
• Compact design simplifies maintenance and ensures long-lasting operation
• Minimal friction loss even under high load conditions

Specifications:

• Sheave Diameter: 100 mm (4")
• Breaking Load: 8,500 kg (18740 lbs)
• Maximum Working Load: 4,250 kg (9370 lbs)
• Max Rope Diameter: 14 mm (9/16")
• Pin Diameter: 10 mm (13/32")
• Weight: 1,030 g (36.3 oz)
• Material: Alloy, Grade 17-4PH & 316 stainless steel