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These stainless copper shaft couplers allow you to couple the different size shafts together. They can be used for connecting motor shafts to drive shafts, or two different sized shafts. The strength of the copper coupler is higher than aluminum coupler, Suitable for the bigger size shaft , All of they come with a hex wrench.
Specification:
Length: 22mm
Diameter: 15.7mm
Bore: 6-8mm
Weight: 27.7g
