2 PCSFlexible Aluminum Couplings
Shaft Size: 5×5mm/5x8 mm
Out Diameter: 14mm(All the same)
Length/Height: 25mm(All the same)
Upper Inner Diameter: 5mm
Under Inner Diameter: 5/8mm
Material: Aluminium
Application: connect to servo motor, stepper motor, encoder, screw driving, machine platform, etc
2pcs X Flexible Aluminum Couplings.