360 degree rotation: The 360 degree rotating traction wheel is equipped with a rotating chrome iron top ring. The smooth roller can make a large movement of the rope and prevent the rope/cable/cable/steel rope from tangling, which makes the pulley stable and saves your effort. Super Mute: The silent pulley is very smooth and the interior is equipped with carbon steel ball bearings which reduce wheel friction and allow the pulley to turn more easily. Powerful pulley: the 90mm pulley is made made of reinforced nylon, smooth and durable, anti-rust, waterproof and anti-corrosion. It uses the force of gravity and slippage to lift, suspend or lighten loads. Strong load capacity: : The flexible installation of the pulley block has a strong load-bearing capacity with a load capacity of 80 kg, which is suitable for ropes with a maximum diameter of 7 mm. Multi-function: the pulley can be fixed to the machine, for home fitness equipment, fitness accessories, rope machines. Or pulleys for indoor and outdoor ropes, garage, clothesline, pulley system, etc.