double WHEEL QUIET DESIGN: Features a double wheel structure with bearing technology, reducing noise to just 30dB for smooth, quiet operations perfect for libraries and offices spaces requiring minimal disturbance HIGH STRENGTH STAINLESS STEEL: Crafted from premium stainless steel, this double grooves pulley excellent resistance and a 200kg load capacity, ideal for construction sites, warehouses, and home use where durability matters MECHANISM: Equipped with a secure locking clasp to accidental slippage, ensuring safe operations for frequent lifting tasks and outdoor enthusiasts who prioritize security VERSATILE APPLICATION: Suitable with steel ropes, nylon ropes, and various lifting solution, supporting industrial cargo transport, outdoor activities, and daily logistical needs with efficient EASY INSTALLATION: Designed for tool release setup, this pulley saves time and effort during installation, making it for craft projects, garage storage, or garden equipment hanging, Manufacturer: JSGHGDF