Universal Joint Coupling Couper Connector 3/4/5/6mm for RC Car Rock Crawler Boat
For example: "3mm To 3.175mm" means: the aperture at one end is diameter 3mm, the other end diameter 3.175mm.
there are six items, you should tell me which item do you want?
Universal Joint Coupling 1pcs
Grup Screw 2pcs
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