Aluminum Rigid Shaft Coupler. 6.35MM x 6.35MM / 1/4" X 1/4"  (Shaft Inputs) 

Double Length Clamp Type. 

Outside Dimensions 25mm (OD) x 40mm (Length)

Max Speed: 18000rpm

THIS LISTING IS FOR ONE NEW SHAFT COUPLER ONLY, NO ANY OTHER ACCESSORIES INCLUDED SUCH AS MOTORS, SHAFTS ETC.

We have different sizes available.