Description The idler pulley is convenient and practical, with great texture, and can be used for a long time without being easily damaged. The exquisite craftsmanship can serve you well without breaking easily. This Timing Belt Idler Pulley is a very practical accessory for your needs. Features -Color:Silver -Material:Aluminum alloy -Size:1.80X1.80X0.80cm/0.71X0.71X0.31in Suitable belt width: 6mm Inner hole diameter: 5mm -The h-type design of this idler pulley ensure a stable and reliable power transmission. -This 3d printer belt pulley is suitable for use with various printer models that have a belt width of 6mm and an inner hole diameter of 5mm. -Noise and friction reduction with toothless design: the toothless design of this Timing Belt Idler Pulley helps to reduce noise and friction during operation. -The stylish color of this synchronous wheel adds a touch of elegance and sophistication. -Every detail is carefully crafted, so you experience the high durability and practicality. Package list: 1 x idler pulley