Brand New & High QualitySimple structure, convenient to installAnti-oil, can absorb vibration, compensate for radial, angular and axial misalignmentWidely used in CNC machine tools, motors, wires carry the connection, elevator, engraving machine, woodworking machinery, testing equipment, stepper motors, textile machinery, ceramic machinery, glass machinery, testing equipment, capacitor equipment, packaging machinery, etc.Item Type: 5mm x 8mm Shaft CouplerSleeve Material: PolyurethaneBody Material: Aluminum Alloycolor:red+silverOuter Dia : 20mmLength : 25mmQuantity: 2 pcs (other accessories demo in the picture is not included)Package includes:2 X Shaft CouplerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.