EASY INSTALLATION: Comes with a detailed manual and all necessary accessories for quick 5 minutes setup without extra tools, great for beginners and craft projects HEAVY DUTY: Supports up to 200kg, providing efficient load bearing for professional sailing, construction, and industrial use with enhanced Sturdy & RESISTANT: Crafted from stainless steel and high strength nylon, this pulley excellent and wear resistance, ideal for marine and humid environments with 2x longer lifespans than standard metal pulleys SMOOTH LIFTING systems: Features high accuracy ball bearings that reduce friction by 40%, ensuring effortless operations for frequent sail adjustments, perfect for sailing enthusiasts VERSATILE APPLICATIONS: Suitable for flagpoles, tents, and outdoor activities like camping, making it a must have for adventurers and sailors alike, Manufacturer: Msioytog