SMOOTH LIFTING systems: Features high accuracy ball bearings that reduce friction by 40%, ensuring effortless operations for frequent sail adjustments, perfect for sailing enthusiasts HEAVY DUTY: Supports up to 200kg, providing efficient load bearing for professional sailing, construction, and industrial use with enhanced VERSATILE APPLICATIONS: Suitable for flagpoles, tents, and outdoor activities like camping, making it a must have for adventurers and sailors alike 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 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, Manufacturer: SXRQ