Description This is a pulley wheel. Made of premium plastic material, the pulley is durable and wearproof for long lasting use. It is an universal pulley wheel for most gym equipment. Anti-impact and flexible for easy and convenient use. Perfect accessory for your gym equipment. Features - Color: Black.- Material: Plastic.- Size: 8.80X8.80X1.50cm/3.46X3.46X0.59inch.- Made of premium plastic material, solid construction, practical and durable.- The smooth surface provides a smoother feel, ensures easy movement and increases your workout fun.- A great replacement for some worn-out pulley wheel on a gym machine.- Measures about 3.46inch in outer diameter. Suitable for most gym equipment.- Work smoothly and silently. Easy to clean and install. You can add a little oil to make it smoother. Packing list: 2 x pulley wheels