Specifications:Material:304 Stainless SteelColor:SilverBrand name: CNBTRSize:Spring Snap Hook: 80.8x40mm/3.18x1.57"Pulley Block: 70x20x15mm/2.75x0.78x0.59"(L x W x H)Weight:216gFeatures:1. Pulley is used to alter the route of utilized force, transmit rotary motion, or understand mechanical benefits in linear or rotary motion systems.2. It is used along with ropes or ropes in indoor or outdoors applications. The bendy sliding pulley with heavy load ability is suitable for most applications.3. The fixed top is convenient for rope handling. The smooth roller provides good rope traverse. The gentle guidance wheel will not get caught through any rope or cable.4. It is agency and durable, can rotate 360 levels to prevent the rope from knotting, and is easy to use.5. Maximum load capacity: 35kg, mainly relevant to ships and seagoing ships.6.For backpack, key ring, chains, ropes, fishing, pet, indoor open air equipment gear, DIY accessories.7.Made from Stainless Steel 304 ,high quality pulley block.8.Pulleys are used to alter the course of an applied force,transmit rotational motion,or notice a mechanical advantage in both a linear or rotational components of motion.9.Scope of application: broadly used in energy industry, coal steel, commercial automation, energy generation industry, agricultural industry.Package include:2 x Spring Snap Hooks M82 x Pulley Blocks M15