1.Safe operation: this pulley has an excellent load capacity of 440 pounds thanks to its reasonable design. It stays to use and does not deform even after prolonged use, so you can rest assured on all your adventures. It is recommended for users 5 years and up and is a reliable choice for slackliners of all levels. 2. use: the pulley uses wearresistant washers between each bearing steel roller to prevent friction and damage, thus extending the life of the bearings. The design process ensures that six rollers are used internally to ensure smooth and stable performance. 3.Easy installation: connect the pulley effortlessly to any kit and attach accessories. The lockable triangular carabiner ensures stability and . Achieve a seamless experience with minimal friction and optimal tension. 4.Easy to use: this pulley is easy to use and can reach far, providing hours of fun. You can adjust it to a slight tilt to strengthen confidence and courage, or train upper body strength and core muscles while having fun. The pulley operates at a speed and is suitable for beginners.