40 grandes poulies en plastique avec roulement galet tendeur pour imprimante 3D noires

Material: POM+steel Outer Diameter: 24mm, Inner diameter: 5mm, Height: 10.23mm Net Weight: 14g/pcs Color: Black Application: Used for 3D Printers Package include 40 x Plastic wheels with bearing Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.