The linear bearing pulley wheel is convenient and practical, with excellent texture, and can be used for a long time without being easily damaged. The craftsmanship can serve you well without breaking easily. This 3d printer bearing wheel is a very practical accessory for your needs. Features -Color:Silver -Material:Bearing steel -Size:1.30X1.30X0.40cm/0.51X0.51X0.16in -The sturdy bearing steel materials used in the production of these 3d printer extruder parts ensure their durability and longevity, making them a reliable choice for your printing needs. -Precision machining techniques are employed during the manufacturing process of these parts, ensuring that they are accurate and stable. -These u-shaped groove wheels are designed to be compatible with a wide range of 3d printer models, making them a versatile choice for those who own multiple printers or frequently switch between different models. -The installation process for these parts is quick and easy, allowing you to get back to printing in no time. -Especially important for those who rely on their 3d printers for work or other important projects. Package list: 10 x Linear Bearing Pulley Wheels