10Pcs 0.4M Brass Gear Spur Pinion 0.4 Mod Bore Aperture 0.68MM 0.98MM 1.48MM 1.51MM 1.98MM 6/7/8/9/10 Teeth 2.5/3/4/5MM 6T 7T 8T

10Pcs 0.4M Brass Gear Spur Pinion 0.4 Mod Bore Aperture 0.68MM 0.98MM 1.48MM 1.51MM 1.98MM 6/7/8/9/10 Teeth 2.5/3/4/5MM 6T 7T 8T

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