About this item
- Product Name: Coupling Joint; Material: Copper
- Size: 20mm x 9mm/0.8″ x 0.35″(L*D); Type: 3.17mm to 5mm
- Side Thread Diameter: 2.5mm/0.1″; Fixed Type: Clamp
- Main Color: Gold Tone; Net Weight: 10g
- Package Content: 1 x Coupling Joint, 5 x Screws, 1 x L Bar
-The coupling is great for connect your motor of 3.17mm to 5mm shaft to the wheel.
-Can be used in electric car , robot, etc..





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