Description The sturdy material used in our printer bearing wheel makes them safe to use, ensuring a longer lifespan and stable performance. Its lightweight and compact size make it easy to use, greatly save you time and efforts. Features -Color:Black. -Material:Plastic, steel -Size:2.40X2.40X1.00cm/0.94X0.94X0.39inch. -Inner hole diameter: 5mm -Our printer bearing wheel is made of sturdy materials, ensuring better performance and durability. -It has wide compatibility and is suitable for most 3D printers, offering versatility and great convenience. -The pulley wheels have low noise, smooth operation, solving the wobble problem and improving the printing quality and speed. -Its lightweight and compact size make the printer pulley wheel easy to use, save you time and efforts. -Every detail of this printer pulley is carefully crafted, ensuring high durability and practicality.Package list: 4 x printer pulley wheels