Diameter: 31mm
Thickness: 11mm
Axle hole: 1.9mm (please select 2mm axle)
Material: plastic
Color: white, red, gray
Weight: about 2g
31 * 2mm plastic wheel is a small DIY wheel, made of plastic material, with an aperture of 1.9mm, which can be directly fitted with 2mm axle! There are 3 colors available, suitable for various models.