Adjustable height for a fit This harp holder features an 8 inch adjustable height mechanism that lets you tailor the height to match different lampshades for shade alignment. Broad compatibility Includes multiple saddle adapters to support common bulb sockets, including E26 and E27. An E14 converter is included for added versatility. Easy installation and maintenance Comes with comprehensive installation instructions. Detachable components allow you to assemble or your lampshade quickly and without hassle. Use scenario: standard table lamp shade replacement When replacing a shade on a table lamp, adjust the harp height to center and balance the shade precisely. Use scenario: upgrading a lamp with a larger shade For floor or desk lamps that require a taller or wider shade, set the harp height to achieve proper balance and appearance. Use scenario: restoring antique lamps The included saddle adapters and detachable parts simplify adapting non standard shades or sockets, making restoration or modification straightforward. Performance and practicality Provides stable shade support with an adjustable height mechanism, ensuring reliable operation across compatible bulb types and shades.