Description: [Safe clamping design]: Flange Shaft Coupling adopts clamping method to ensure long term stability and prevent wheels from loosening, suitable for motors without keyways [Material]: Shaft Axis Fittings is made of high strength aluminum alloy, providing good durability and reliability for industrial applications [Package]: Contains 1 Guide Shaft Coupler, which can provide you with the tools you need for your project or repair work [Premium]: Motor joint connector is professionally manufactured, stable performance and long service life [Function]: Rigid Flange Coupling can fix the shaft to the flat surface and easily install other accessories Specification: Material:Zinc Alloy Size Chart:Outer diameter 5.68cm or 2.24inch, hole diameter 0.6cm or 0.24inch, shaft hole diameter 0.5cm or 0.20inch, shaft hole diameter 0.6cm or 0.24inch, outer diameter 2.5cm or 0.98inch, total length 5.68cm or 2.24inch Package Includes: 1 Rigid Flange Coupling Note: Please allow slightly errors due to manual measurement and different monitors. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.