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This is the left-hand cabinet member for Blum's TANDEMBOX drawer system — the steel profile that mounts inside the cabinet and carries the drawer through its full travel with integrated BLUMOTION soft-close. It is a single, handed component; a working drawer requires both a left-hand and right-hand cabinet profile paired with the matching drawer members.
The cabinet profile is the fixed half of the TANDEMBOX running gear. It screws to the cabinet side wall and provides the track that the drawer members ride on. The integrated BLUMOTION damper catches the drawer over the last inch of travel and guides it to a controlled, silent close — no separate damper clip required at this profile. Because TANDEMBOX components are engineered as a matched system, the cabinet profile must pair with the corresponding TANDEMBOX drawer members, locking devices, and front fixings; components from other Blum platforms or other brands do not interchange.
The profile is formed from steel and finished with a zinc plating. Zinc plating provides a baseline level of corrosion resistance appropriate for standard dry interior cabinet environments — kitchens, baths, closets, and office casework where moisture is incidental rather than sustained. For environments with regular moisture exposure, review finish options across the TANDEMBOX family before specifying.
Cabinet shops building production runs on the TANDEMBOX platform order cabinet profiles as part of their standard component set. The handed nature of this part makes it relevant in two common situations: completing a new drawer installation where both left-hand and right-hand profiles are needed, and replacing a damaged left-hand member in an existing TANDEMBOX installation without pulling the entire drawer set. Designers and remodelers specifying TANDEMBOX for a kitchen or closet project should confirm nominal length matches the cabinet depth before ordering. This 400mm profile suits shallower cabinets — a base cabinet with limited depth or an upper cabinet drawer application where a shorter run is appropriate.
This is one piece — the left-hand cabinet member only. A functional TANDEMBOX drawer requires this profile on the left, the matching right-hand cabinet profile on the right, and two drawer members (one per side) that attach to the drawer box itself.
On TANDEMBOX, the BLUMOTION mechanism is integrated into the cabinet profile. The drawer member engages with it when the drawer closes. You do not need a separate BLUMOTION add-on for this configuration.
It will fit a TANDEMBOX installation of the same nominal length — 400mm — using the same series. TANDEMBOX components are series-specific, so confirm the series of your existing runners before ordering a replacement.
No. TANDEMBOX cabinet profiles are engineered for the TANDEMBOX platform. LEGRABOX and METABOX are separate Blum drawer systems with their own runners, locking devices, and front fixings that are not cross-compatible.
Blum publishes the minimum cabinet depth for each nominal length. For a 400mm TANDEMBOX profile, follow Blum's published cabinet depth requirement for that nominal length — available in the TANDEMBOX planning and installation documentation.
Getting the cabinet profile right — correct length, correct hand, correct series — keeps the rest of the TANDEMBOX installation on track. Order the left-hand and right-hand profiles together with the drawer members so the complete set arrives and the build moves forward without a second trip to sourcing.
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