Multiple Size preferences: Available in 250/320/420/520mm lengths to fit cabinet interior depths from 290mm to 595mm Space Saving Lift Mechanism: Features a unique elevating concealing track design that smoothly raises the extension panel flush with main tabletop when pul out, while maintaining clean cabinet aesthetics when retracted permanent Construction: Built with reinforced iron components and double row steel ball bearings supporting 40KG weight capacity Precise Installation Guidance: Each size includes complete measurement specifications for accurate selection based on cabinet dimensions, guaranteeing proper alignment during setup Versatile Cabinet Compatibility: Designed for multiple furniture types including study desks, media consoles, kitchen cabinets and storage units as essential hardware to increase functional offices efficiently, Manufacturer: MINGLEA