Features: HIGH STRENGTH STAINLESS STEEL : Crafted from premium stainless steel, this double grooves pulley offer excellent corrosions resistance and a 200kg load capacity, ideal for construction sites, warehouses, and home use where durability matters. 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. EASY INSTALLATION : Designed for tool release setup, this pulley saves time and effort during installation, making it convenient for craft projects, garage storage, or garden equipment hanging. VERSATILE APPLICATION : Suitable with steel ropes, nylon ropes, and various lifting solution, supporting industrial cargo transport, outdoor activities, and daily logistical needs with efficient performances. SAFETY LOCK MECHANISM : Equipped with a secure locking clasp to prevent accidental slippage, ensuring safe operations for frequent lifting tasks and outdoor enthusiasts who prioritize security. Specifications: Materials: Stainless Steel, Carbon Steel Size:As Shown in the Pictire Properties: 201# 48 double U-grooved lifting rings pulley/304# 48 double U-grooved lifting rings pulley Package Includes: 1Pc Double U Grooves Lifting Rings Pulley note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.