10PCS 0.3 Modulus 8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23 Teeth Copper Gears Cnc Small Modulus Spur Gears

10PCS 0.3 Modulus 8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23 Teeth Copper Gears Cnc Small Modulus Spur Gears

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