10pcs 30 * 9 * 1.9mm Plastic Trolley Wheel Toy Wheel Model Accessories DIY Handmade RC Spare Parts
This is a very affordable DIY wheel, plastic material, diameter 30mm, wheel surface width 9mm, aperture is 1.9mm, you can directly with the 2mm axle!
Diameter: 30mm
Thickness: 9mm
Shaft hole: 1.9mm (Please select 2mm axle)
material: plastic