About this item
- Country of Manufacture: CHINA; Material: Copper
- Net Weight: 16g; Package Content: 2pcs x Coupling Joint, 8 x Screws
- Main Color: Gold Tone; Size: 20mm x 9mm/0.8″ x 0.35″(L*D)
- Battery Included: No; Type: 3mm to 3.17mm
- Fixed Type: Clamp; Product Name: Coupling Joint
The coupling is great for connect your motor of 3mm to 3.17mm shaft to the wheel.
Can be used in electric car toy, robot, etc..





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