10pcs 0.5M Plastic Gear 8/9/10/11/12T Teeth Toy RC Model Car 1mm/1.5mm/2mm Shaft Motor Pinion Gear 6mm Worm Gear Helical Gears

10pcs 0.5M Plastic Gear 8/9/10/11/12T Teeth Toy RC Model Car 1mm/1.5mm/2mm Shaft Motor Pinion Gear 6mm Worm Gear Helical Gears

Aliexpress UK