High Quality Cable Pulley: The single pulley block is made of stainless steel bearing and nylon body. High-strength U-bolt bracket with heat-treated structure, sturdy, durable and reliable. Ergonomic design: The 90mm pulley with 360 degree swivel ring on the top to prevent rope/cable/wire from getting tied. Silent Reeving Pulley: All parts are installed firmly, ensure no extra noise during operation. Easy to operate and maintain, high work efficiency. Widely Used: This gym lifting pulley set is suitable for DIY home gym cable machine, LAT pull machine, gym pulley system, washing line attachment, garage, outdoor laundry, etc. Package content: 2x Pulleys, 2x Hanging Straps, 2x Carabiners. Bearing up to 150 kg. Suitable for ropes with a diameter up to 7 mm / 0.28 in.