Ronstan Series 75 Orbit Block

The Series 75 Orbit Block is a single sheave block designed for versatile rigging applications.

Features:

• Forged alloy construction offers exceptional strength with reduced weight for efficient handling
• Low-friction sheave design minimizes resistance under heavy loads for smoother operation
• Precision-machined side cheeks integrate head and hub for enhanced durability and load support
• High-quality ball and needle bearings ensure long-lasting, maintenance-friendly performance

Single Block Specifications:

• Sheave Diameter: 75 mm (3")
• Breaking Load: 4,500 kg (9920 lbs)
• Maximum Working Load: 2,200 kg (4850 lbs)
• Max Rope Diameter: 14 mm (9/16")
• Weight: 340 g (12 oz)

Single Block, Halyard Specifications:

• Sheave Diameter: 75 mm (3")
• Breaking Load: 4,500 kg (9920 lbs)
• Maximum Working Load: 2,200 kg (4850 lbs)
• Max Rope Diameter: 14 mm (9/16")
• Weight: 340 g (12 oz)

Single Block, Becket Specifications:

• Sheave Diameter: 75 mm (3")
• Breaking Load: 4,500 kg (9920 lbs)
• Maximum Working Load: 2,200 kg (4850 lbs)
• Max Rope Diameter: 14 mm (9/16")
• Weight: 354 g (12.5 oz)

Single Block, Stand-Up Specifications:

• Sheave Diameter: 75 mm (3")
• Breaking Load: 4,000 kg (8820 lbs)
• Maximum Working Load: 2,000 kg (4400 lbs)
• Max Rope Diameter: 14 mm (9/16")
• Weight: 480 g (16.9 oz)