Resistant Durability Made from stainless steel with 70% better rust resistance than carbon steel, these pulleys maintain reliability in humid environments like basements or outdoor areas for long term Universally Track Compatibility Designed to fit various DIYer fitness equipment tracks with maximums 50mm width adaptability, these pulleys versatile solution for customized workout setups by enthusiasts and professional alike Smooth Movement The U shaped 304 stainless steel pulley systems provides quiet sliding with premium bearings, supporting up to 100kg weight for workouts home gyms and small studios Height Adjustable Functionality Featuring customizable height settings to accommodate different user statures, these pulleys allow adjustments for optimal training effects across various fitness levels Quick Installation Each pulley installs easily without tool, enabling easy assembly by beginners and not professional for home use or gym setup, Manufacturer: Oxxggkao