1Pcs 45# Steel 2M 20/25/30T Worm Gear Wheel Worm Rod 2 Modulus 20 Teeth-30 Teeth Worm Gear Round Bore & Keyway Bore

1Pcs 45# Steel 2M 20/25/30T Worm Gear Wheel Worm Rod 2 Modulus 20 Teeth-30 Teeth Worm Gear Round Bore & Keyway Bore

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