3mm-14mm Center Hole Flange Rigid Shaft Coupling Coupler Joint Connector Coupler

2PC 1/8 1/4 1/2 3/8 BSP Male Thread 6mm-16mm Straight Barb Tail Brass Connector. Rigid Flange Coupling Fixed Seat could make your shaft more stable. 45# Steel Material, Durable and Insulation.Easy to install and replace.

eBay