Precision 0.5M 18/20/22/24/25/26/28/30/32/36/40/44/50 Teeth Thickness 2mm Copper Small Model Gear HOLE 2/3/4/5mm Hole

Precision 0.5M 18/20/22/24/25/26/28/30/32/36/40/44/50 Teeth Thickness 2mm Copper Small Model Gear HOLE 2/3/4/5mm Hole

Aliexpress UK