5pcs/lot 7T 8T 9T 10T 11T 12T 13T 14T 16T 18T Teeth 0.4M Modulus Metal Pinion Copper Gear Fit 1mm
$3.51
5pcs/lot 7T 8T 9T 10T 11T 12T 13T 14T 16T 18T Teeth 0.4M Modulus Metal Pinion Copper Gear Fit 1mm