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This is the right-hand drawer profile for Blum's TANDEMBOX drawer system, offered in Gray — an 18 inch (450mm) steel side member at the 378M height that pairs with its left-hand counterpart to form one complete drawer box assembly.
The TANDEMBOX drawer profile is the structural wall of the drawer box — it replaces a wood drawer side and carries the running gear as part of Blum's engineered system. This right-hand member mounts on the right side of the drawer opening and works with the left-hand profile to support the drawer bottom, front fixing brackets, and rear back panel. All components must come from the TANDEMBOX 378M program at the same 18 inch nominal length; mixing lengths or series within one drawer assembly will prevent proper fit and runner alignment. In face-frame cabinet installations, confirm that the rear mounting socket or bracket matches the TANDEMBOX system — these are not universal.
The profile is formed steel finished in Gray, one of the coordinated color options in the TANDEMBOX program. The Gray finish is a practical, neutral interior tone that integrates cleanly with standard cabinet interiors and laminate drawer bottoms. Steel construction provides the rigidity the system relies on; the profile is not a trim piece but a load-bearing structural component. Finish and color consistency across a run of drawers depends on ordering all profiles from the same color — Gray components pair with Gray front fixings, backs, and cover caps from the TANDEMBOX line.
Cabinet shops building production runs on the TANDEMBOX platform will use this profile as a line-item component when ordering drawer box parts separately rather than as pre-assembled sets. It also suits shops replacing a damaged right-hand member in an existing TANDEMBOX 378M installation, or specifying Gray as the interior finish across a kitchen or bath project. Homeowners doing a direct replacement should verify the height code (378M) and nominal length (18 inch / 450mm) against the existing drawer before ordering, since TANDEMBOX profiles are not interchangeable across height codes or lengths.
You need the matching left-hand drawer member in Gray at the same 18 inch nominal length, the corresponding TANDEMBOX runners (cabinet members), a rear back panel, front fixing brackets, and your supplied drawer bottom and front. All components must be from the TANDEMBOX 378M program at this nominal length.
Yes. The TANDEMBOX system is full extension, meaning the drawer travels out to the cabinet face so the entire interior is accessible when open.
Mechanically the system components are compatible within the same height code and nominal length, but the visible interior finish will not match. For a consistent look, order all profiles, backs, and covers in the same Gray finish.
TANDEMBOX can be installed in face-frame cabinetry, but face-frame applications require the appropriate rear mounting socket or bracket for the system. Confirm that accessory is in your order before installation.
378M is the Blum height code for this profile series, corresponding to an 84mm (3-5/16 inch) side height. Choose your height code based on the drawer contents and the cabinet opening — taller codes suit deeper pot or pantry drawers.
Specifying the correct right-hand member in Gray at the right nominal length and height code means the TANDEMBOX assembly goes together without adjustments or substitute parts — keeping the cabinet run on schedule and the drawer interior looking exactly as planned.
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