HIGH STRENGTH STAINLESS STEEL:Made This double groove pulley has excellent resistance and a load capacity of 200kg, ideal for construction sites, warehouses and home use where durability is important. DOUBLE WHEEL QUIET DESIGN Features a dual wheel structure with bearing technology, reduces noise to only 30dB for smooth, quiet operation, perfect for libraries and offices requiring minimal interference. EASY INSTALLATION Designed for tool unlocking, this pulley saves time and effort on installation, making it convenient for craft projects, garage storage, or hanging garden tools. Wide Application Suitable for steel cables, nylon ropes and various lifting platforms, supports industrial cargo transportation, outdoor activities and daily logistical needs with efficient performance. MECHANISM Equipped with a secure locking latch for accidental slipping, ensures safe operation for frequent lifting tasks and outdoor enthusiasts who prioritize safety.