Brand New & High Quality Simple structure, convenient to install Anti-oil, can absorb vibration, compensate for radial, angular and axial misalignment Widely used in CNC machine tools, servo 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*8mm Shaft Coupler Sleeve Material: Polyurethane Body Material: Aluminum Alloy color:red+silver Outer Dia : 20mm Length : 25mm Quantity: 1 pcs (other accessories demo in the picture is not included) Package includes: 1 X Shaft Coupler Only 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.