High Quality: The single pulley roller is made of stainless steel, it is strong, rust-proof, wear-resistant, corrosion-resistant and durable. Economical Design: The fixed pulley prevents the rope from twisting. The smooth roller ensures good rope movement. Quiet Sliding: Smooth and quiet sliding; the pulley comes with a high-quality nylon card slot design; enjoy the fun of sports. Easy to Use: Flexible sliding pulleys that can withstand heavy loads; can withstand a weight of 300kg. Wide Applications: The rotating pulleys can be used with indoor or outdoor ropes or ropes for flexible sliding. Product Description 1. High Quality: The single pulley roller is made of stainless steel, it is strong, rust-proof, wear-resistant, corrosion-resistant and durable. 2.Economical Design: The fixed pulley prevents the rope from twisting. Smooth roller ensures smooth rope movement. 3. Silent sliding: Smooth and silent sliding; the pulley comes with a high-quality nylon card slot design; enjoy the fun of sports. 4. Easy to use: Flexible sliding pulleys that can withstand heavy loads; can bear a weight of 300kg. 5. Wide applications: Rotating pulleys can be used with indoor or outdoor ropes or ropes for flexible sliding. Specification: Material: steel, nylon tank Size: about 11 * 3 * 6.5cm / 4.33 * 1.18 * 2.56in Load-bearing: about 300kg Packing list: 2 * Silent pulley 4 * Screws