High Quality Material: Lifting pulleys hanging parts made of high quality stainless steel, sturdy and durable, with mounting holes, high quality for durability and long service life. Wheel V-Groove: Pulleys are made of thick steel. Compared with most traditional pulleys, our lifting pulley has more advantages. The load capacity of a single pulley can be up to 180kg. Anti-kink Design: The pulley fixes the unique 360 rotation concept and prevents the rope from twisting. Rotating pulleys can be used with ropes or cords inside or outside for flexible sliding. Superior Stability: The balls in the pulley's double roller bearings slide stably and smoothly. This can reduce vibration, ensure smooth operation and effectively improve your work efficiency. Wide Application: Single pulleys can be used with steel wires, ropes, cables. Widely used in indoor and outdoor pulleys, sliding fences, garages, clotheslines, pulley systems, etc.