-The coupling is great for connect your motor of 3.17mm to 2mm shaft to the wheel.
-Can be used in electric car toy, robot, etc..

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Product Review

-The coupling is great for connect your motor of 3.17mm to 2mm shaft to the wheel.
-Can be used in electric car toy, robot, etc..

  • Product Name: Coupling Joint; Material: Copper
  • Size: 20mm x 9mm/0.8" x 0.35"(L*D); Type: 3.17mm to 2mm
  • Side Thread Diameter: 2.5mm/0.1"; Fixed Type: Clamp
  • Main Color: Gold Tone; Net Weight: 9g
  • Package Content: 1 x Coupling Joint, 5 x Screws, 1 x L Bar

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