3Pcs 5x5mm CNC Motor Jaw Shaft Coupler Flexible Coupling For 3D Printer<br>Decription:<br>Material: Aluminum AlloyCoupler Height(L): 25 mmCoupler Diameter: 18 mmTop Shaft Diameter: 5mmBottom Shaft Diameter: 5mmScrews Position: 4mmFlexible Shaft Couplers 5mm*8mm<br>Note:<br>Fit for Mendel，Prusa and Reprap 3D printer<br>Package inluded:<br>3 x Flexible Shaft Coupler