EnPoint™ 8×8mm Bore 20mm OD×25mm Length Set Screw Flexible Shaft Coupler CNC Stepper Motor Aluminum Beam Coupling Zero Backlash Shaft Coupler for Encoder Servo Motor
[Product Information]
Aluminum alloy as raw material: torsionally stiff with dampening and lightweight for low intertia
Since it is a single piece metallic flexible coupling, there does not exhibit the backlash