Shaft coupler 1/4" to 4mm

These stainless steel shaft couplers allow you to couple two size shafts together. They can be used for connecting motor shafts to drive shafts, or two different-sized shafts.

Dimensions:
* Length: 21mm
* Diameter: 13.5mm
* Bore A ID: 6.35mm (1/4")
* Bore B ID: 4mm (0.157")