Brand: SureMotion Item: Drive coupling hub Material: Aluminum alloy Requires: DC-DDS33 torque disc Outside Diameter: 33.3mm Bore Diameter: 3/8in Attachment Style: Clamp Overall Length: 48mm Coupling Type: Oldham Rated Torque: 9 N-m Maximum Angular Misalignment: 3.0 degrees Coupling Size: 33 Maximum RPM: 3000 Maximum Parallel Misalignment: 0.41mm SureMotion drive coupling hub, Oldham, aluminum alloy, clamp, size 33, 3/8in bore. Requires DC-DDS33 torque disc.