Harken Carbo Air 57 mm double swivel block with becket, compact and strong. Supports 720 kg working load, ideal for mainsheet and halyard systems. Lightweight and efficient for racing and cruising boats. Delivers smooth, safe handling.
The Harken Carbo Air 57 mm double swivel block with becket (code 2603) offers high strength and performance in a lightweight, compact format.
Its becket allows added versatility in rigging, while the swivel head ensures optimal line alignment during high-load maneuvers.
Specifications
• Sheave Ø: 57 mm (2 1/4 in)
• Max line Ø: 10 mm (3/8 in)
• Length: 142 mm (5 5/8 in)
• Weight: 187 g (6.6 oz)
• Working load: 720 kg (1584 lb)
• Breaking load: 1500 kg (3300 lb)
• Shackle Ø: 6 mm (1/4 in)
• Double sheave with becket and swivel
Use
Excellent for mainsheet and halyard systems on racing or cruising boats. The becket allows block stacking or line termination, and the design is optimized for performance in all wind conditions.
Care Instructions
Rinse with fresh water after use. Inspect swivel and sheaves regularly. Store dry and avoid prolonged exposure to salt and UV.