6mm Coupling Strongest Motor Coupler Connector with 0.25" threaded shaft!

Description

6mm - .25" Shaft Coupling Rigid Motor Coupler Connector. Condition is New. Shipped with USPS First Class Package.
This was designed for 6mm motor shaft on one end and a 1/4" threaded screw shaft on the other end.
This is the strongest coupler on the market and will not break like other weak flexible aluminum couplers.
With threaded shaft adapter on one side, this coupler will create the strongest grip possible, even if the set screw is not installed on on the drive shaft.