ALLEN Back-To-Back Block, Ball Bearing, 30mm – Compact Double Block

The ALLEN back-to-back block with a ball-bearing 30mm pulley is the ideal solution for professional sailing applications requiring gearing. Made from high-quality materials and featuring ball-bearing technology, this double block offers maximum reliability and durability. The back-to-back design allows for a compact construction while maintaining high performance.

Ideal for sailboats, yachts, and demanding marine applications. The ball-bearing design ensures smooth operation with minimal friction, while the high-quality materials guarantee long-lasting performance even under harsh marine conditions. With a breaking load of 750 kg and a maximum continuous load (MDL) of 140 kg, suitable for ropes Ø 6-8 mm, this back-to-back block is perfect for onboard applications requiring a gear ratio.

Product features

• Ball bearing design – minimal friction and maximum efficiency
• 30mm roller – compact design
• Back-to-back double block – translation for power saving
• Breaking load (BRL): 750 kg – high load capacity
• MDL (Maximum Continuous Load): 140 kg – for continuous operation
• Suitable for rope Ø 6-8 mm – versatile use
• Length: 78 mm – compact dimensions
• Weight: 49 g – light and handy
• ALL quality – proven reliability in sailing
• Maritime quality – perfect for use on board

Technical specifications: Manufacturer ALLEN, pulleys Ø 30mm, ball bearing, back-to-back double block, for rope Ø 6-8mm, breaking load 750kg, MDL 140kg, length 78mm, weight 49g.

Applications: Ideal for sailboats, yachts, and professional marine applications where a double-block design is required. Perfect for halyards, sheets, vangs, and versatile deck applications, saving effort. The back-to-back construction allows for a compact design with high performance. The ball-bearing design ensures smooth operation with minimal friction. Trust ALLEN quality for professional sailing solutions.