Heavy Duty PulleysThe lifting pulleys are made of heat-treated high-strength U-brackets and strong nylon wheels, which are sturdy and durable. Designed to use gravity and sliding to hang heavy objects or lighten loads. Quiet MovementNylon pulley design, silent and smooth sliding. There is no sound interference during use, allowing you to have a quiet and comfortable sports environment. 360 rotation The lifting ring of the pulley can rotate 360 degree rotation to prevent the rope/cable/wire from knotting and breaking due to excessive friction. Strong Bearing Capacity The maximum bearing capacity of the cable pulley is of 160 kg, which is suitable for ropes with a maximum diameter of 10 mm. DIY accessories Reeving pulleys are used for pulling wire ropes, traction ropes and other rope tools. Can be used for making DIY accessories for home gym equipment, as well as curtains, clotheslines, garages, hanging baskets, etc.