Specifications: Model Number: 2254 Material: 6061T6 aluminum alloy Ball Bearings: Delrin Hardware: 316 stainless steel Sheave Diameter: 38mm Max Line Diameter: 10mm (3/8”) Safe Working Load (SWL): 1600 lbs (730 kg) Breaking Load: 2850 lbs (1300 kg) Weight: 0.16kg Applications: Sheets, main/jib sheets, control lines Shackle Pin: 13.2mm with a 5mm diameter High-Strength Construction: Made from 6061T6 aluminum alloy with an anodized hard coating, providing superior durability and corrosion resistance for extended use. Smooth Operation: Delrin ball bearings minimize friction, ensuring smooth and efficient performance in various sailing conditions. Double Sheave Design: Accommodates up to 10mm (3/8”) line, enhancing versatility and functionality for managing sheets and control lines. Durable Stainless Steel Hardware: 316 stainless steel components enhance strength, durability, and resistance to rust and corrosion, perfect for marine environments. Optimal Load Capacity: Supports a safe working load of 1600 lbs (730 kg) and a breaking load of 2850 lbs (1300 kg), ideal for demanding sailing tasks. Lightweight Design: Weighs only 0.16kg, making it easy to handle and install without compromising on strength and durability. Preservative Treatment: Undergoes preservative treatment to extend its lifespan, ensuring reliable and long-lasting performance in harsh marine conditions. Versatile Applications: Ideal for managing sheets, main/jib sheets, and control lines, offering reliable performance in various sailing scenarios. Enhance your sailing gear with the Blue Shark 2254 38mm Fixed Double Aluminum Sailing Block. Engineered for superior performance, this block combines strength, durability, and flexibility, making it ideal for a variety of marine applications. Constructed from 6061T6 aluminum alloy with an anodized hard coating, it offers excellent corrosion resistance and longevity. The integrated Delrin ball bearings ensure smooth and efficient operation, minimizing friction for optimal performance. Equipped with 316 stainless steel hardware, this block withstands harsh marine environments while maintaining a sleek, polished look. The double sheave design accommodates a maximum line diameter of 10mm (3/8”), providing a safe working load of 1600 lbs (730 kg) and a breaking load of 2850 lbs (1300 kg). Lightweight at 0.16kg, it is easy to handle and install. Perfect for managing sheets, main/jib sheets, and control lines, the Blue Shark 2254 is a reliable and durable addition to your sailing equipment.