Dinghy 76mm 3 Inch Deluxe Single Swivel Shackle Heavy-Duty Becket Block Master SPB-7602F Master Deluxe blocks are beautifully hybrid with Composite and Stainless Steel to provide lightweight, compact and reliable use. They are available in a wide range of configurations to meet you boat’s needs and are ideal for all applications. Stronger Strength Hybrid with Engineering composite and Stainless Steel, Master Deluxe block is stronger and lighter than classic Stainless Steel blocks. 316 L Stainless Steel Strap reinforces the block and anti-corrosion. Engineering composite sideplates are UV-stabilizer with Anti-UV additives for maximum protection. Low Friction Ball Bearing The exclusive engineering plastic composites ball bearing provides sheave with good rotation and less friction. The 76mm Deluxe blocks are available in a wide range of configurations. They are lighter, stronger and better than classic Stainless Steel blocks. An exclusive Face to Face locker system can be easily engaged to position shacke in either of two directions or just free to swivel. A locker system also can take more loads then traditional ways without damaging the block and hassle. Patent pending in Australia, US, UK, France, Netherlands, China, Germany, and Taiwan. Specification: Brand: Master Part Number: SPB-7602F Sheave Ø (mm) 76 mm Sheave Ø (in) 3 in Length (mm) 159mm Length (in) 6.26 in Weight (g) 298 g Weight (oz) 10.50 oz Maximum line Ø (mm) 14 mm Maximum line Ø (in) 3/16 in Maximum working load (kg) 850kg Maximum working load (lb) 1870lb Breaking load (kg) 1700 kg Breaking load (lb) 3740 lb •Do not use Master products to human suspension! Destination custom duty/tax are not included in the listing price; it is the customer's responsibility to pay for custom duty if any.