Module 0.3 9/10/11/12 Teeth Nylon Pinion, Interference Fit 1.0/1.2mm Shaft 1-3 woking days $0.25 * More options: Bore, Teeth
Module 0.4 M0.4 Plastic Worm, Suitable For 2.0mm Shaft of Motor 1-3 woking days From $0.30 * Further option: Thickness