Usage Tips:Enhance your workout routine with our PP and PA roller wheels and pulleys. These versatile accessories are compatible with a variety of fitness equipment, including treadmills and stationary bikes. The PP and PA plastic construction makes performance, while the easy installation process makes maintenance a breeze.Features-Color:Black-Material:PP, PA-Size:5.50X5.50X2.00cm/2.16X2.16X0.79in-Easy storage: the gym roller accessory design makes it easy to store your fitness equipment, keeping your workout space organized.-Versatile application: suitable for a variety of fitness machines, these wheels offer flexibility in their use.and PA and reliable: constructed from robust materials, these wheels are built to withstand regular use, making longterm reliability.-Smooth movement: the gym roller's smooth rotation capability enhances the user experience, making workouts more enjoyable.-Ideal for home gyms: these wheels are Suit for home gym setups, providing a practical and efficient Roller for maintaining fitness equipment.Package list: 4 x fitness equipment rollers