Shaft coupler 4mm 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: 19.05mm (0.75")
* Diameter: 12.7mm (0.5")
* Bore A ID: 4mm
* Bore B ID: 4mm