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This 500mm left-hand longside gallery rail extends the effective side height of a TANDEMBOX drawer, running along the top of the left side profile to retain taller contents or support a taller front panel. It is a single left-hand rail for the TANDEMBOX system, sold as one piece.
A gallery rail earns its place when the drawer contents are taller than the standard side profile alone can contain. Pot drawers, pantry pull-outs, and deep storage applications are the natural homes for a top gallery rail: it raises the effective wall so taller items stay upright and contained while the slide and structure remain unchanged. For a 500mm drawer loaded with kitchen staples or tall canisters, running a longside gallery rail on each side keeps the drawer functional and the contents organized without rebuilding the box.
This is also the part to reach for when the design calls for a taller front panel on a low-profile TANDEMBOX side — the gallery rail provides the upper mounting reference that the front needs to sit flush and properly aligned.
The Gray finish is part of Blum's TANDEMBOX color program. Matching the gallery rail color to the side profile is straightforward: Gray rails belong with Gray TANDEMBOX sides so the interior reads as a unified system rather than a mix of components. The longside gallery rail runs the full 500mm length of the drawer, so the visual line is continuous from front to back.
TANDEMBOX components are engineered as a closed system. This rail is not compatible with LEGRABOX, MERIVOBOX, or any non-Blum platform. Within TANDEMBOX, confirm the nominal length and side height of your specific drawer before ordering, as gallery rail dimensions are matched to those parameters.
Cabinet shops building TANDEMBOX kitchens with tall pull-out pantry drawers or pots-and-pans storage are the most common buyers. The Gray colorway suits painted and laminate kitchen interiors where the drawer interior is visible and a neutral tone keeps the hardware from becoming a focal point. Designers specifying handle-less kitchens also use gallery rails to achieve the taller front geometry that handle-less fronts require on lower-profile drawer sides. Because this is a left-hand piece, it typically appears on a reorder list alongside its right-hand counterpart when shops are completing a full drawer build or replacing a single damaged component.
No. This is the left-hand rail only. Order the corresponding right-hand longside gallery rail separately to complete the pair for one drawer.
No. The rail is 500mm and is sized for 500mm nominal length TANDEMBOX drawers. Drawers at other nominal lengths require their own matching rail length.
No. This part is specific to the TANDEMBOX system. LEGRABOX and MERIVOBOX use their own gallery railing components, which are not interchangeable with TANDEMBOX parts.
No. Gray is a distinct color in the TANDEMBOX program. Match the gallery rail finish to the Gray TANDEMBOX side profiles in your drawer build for a consistent interior.
The gallery rail is a structural finishing component that sits above the side profile; it is compatible with standard TANDEMBOX configurations including those with BLUMOTION soft-close. It does not affect the closing or opening mechanism.
A missing or mismatched gallery rail is one of those small parts that stalls an otherwise finished drawer. Having the correct left-hand Gray 500mm rail on hand means the TANDEMBOX build goes together as designed, with no follow-up orders holding up the install.
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