Ronstan Series 40 Orbit BB Quin Block Swivel Shackle 1-9/16" Sheave 1320lb MWL

Experience unparalleled performance and reliability with the Ronstan Series 40 Orbit BB Quin Block. Engineered for demanding marine applications, this quintuple block offers class-leading dynamic and static load ratings, setting the standard for performance blocks of its size. Its lightweight yet strong construction, featuring toughened glass fiber reinforced nylon cheeks, ensures an optimal balance of durability and efficiency. Upgrade your rigging with Ronstan's proven quality for effortless control on the water.

Key Features & Benefits:

• Optimized Sheave Design: Features a 1-9/16 inch (40mm) sheave diameter, compatible with ropes up to 3/8 inch (10mm), ensuring versatile rigging options for various lines.
• Exceptional Load Capacity: Boasts a Maximum Working Load (MWL) of 1320 lbs (600 kg) and a Breaking Load (BL) of 2650 lbs (1200 kg), providing robust strength for critical systems.
• Advanced Bearing System: Utilizes a low-friction 2-stage ball bearing system to ensure efficient and effortless trimming across the full working load range, minimizing resistance.
• Lightweight & Durable Construction: Constructed with toughened, glass fiber reinforced nylon cheeks that replace traditional stainless steel straps, offering superior strength without added weight.
• Versatile Swivel Shackle: Equipped with a swivel shackle head that allows for adaptable attachment, and can be locked at 0° or 90° to suit specific rigging configurations.
• Compact Design: Maintains a low profile and compact form factor, ideal for space-conscious installations.

Specifications:

• Sheave Diameter: 1-9/16 in. (40 mm)
• Maximum Rope Diameter: 3/8 in. (10 mm)
• Pin Diameter: 5/32 in. (4 mm)
• Maximum Working Load (MWL): 1320 lb. (600 kg)
• Breaking Load (BL): 2650 lb. (1200 kg)
• Weight: 8.5 oz. (241 g)

Applications:

• Ideal for mainsheet systems and spinnaker sheets on dinghies, off-the-beach catamarans, and sportsboats up to 26 ft (8 m).
• Suitable for halyard, vang, and backstay applications on boats up to 30 ft (9 m).
• Excellent for control line applications on larger yachts.