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The Blum METABOX 320H is a steel drawer side and slide kit in White, pairing the 14 inch (350mm) runner with a 5-7/8 inch tall drawer side in one matched set. It is built for cabinet shops and installers who want a finished, uniform interior without painting or lining bare steel.
White is the practical choice whenever the cabinet interior is painted, laminated, or lined in a light finish. In painted Euro-style face-frame and frameless kitchens, the White METABOX sides disappear against the box interior so the focus stays on the door and drawer front. It is equally useful in bathroom vanities, laundry cabinets, and utility casework where a clean, hygienic look inside the box matters as much as the exterior. Shops producing white-interior cabinets at volume benefit from stocking the White variant because it skips the in-shop painting or liner step entirely.
The METABOX 320H side is formed steel, replacing wood drawer sides and integrating the slide runner in one profile. That construction keeps the drawer box slim and consistent from cabinet to cabinet. The 3/4 extension means the drawer opens most of its length — practical for everyday kitchen and bath drawers where you reach the front contents without needing to pull the box fully clear of the cabinet face. If your application requires complete access to the back of the drawer, a full-extension runner is the better fit; the 3/4 extension here is deliberate and suited to standard shallow-access drawers.
Cabinet shops building painted or white-interior casework will find this kit most useful: it delivers a matched, finished drawer side and runner in one order rather than sourcing components separately. Contractors installing pre-built cabinets and homeowners retrofitting a drawer in existing white-interior furniture can also work with this system, provided the cabinet depth accommodates a 14 inch drawer. Because METABOX front fixings, locking devices, and accessories are system-specific, plan the complete drawer build around METABOX components from the start.
The sold-as unit should be confirmed at checkout — METABOX kits are typically sold per pair of sides and runners. Verify the quantity shown on the product page before ordering.
A 3/4 extension slide opens approximately three-quarters of the drawer's length, leaving the rear portion inside the cabinet. This is standard for most kitchen and bath drawers. For complete access to the back of the box, choose a full-extension slide instead.
The Motion Technology attribute for this SKU is listed as Standard, meaning no integrated closing mechanism is included. The product name references soft-closing, but the structured attribute takes precedence. Verify with the spec block before specifying for soft-close applications.
METABOX front fixings, rear brackets, and accessories are engineered for the METABOX platform and are not interchangeable with other Blum drawer systems or other brands. Build the entire drawer around METABOX components.
The 14 inch (350mm) nominal length requires a cabinet interior depth that accommodates the runner plus any rear mounting hardware. Consult Blum's published cabinet depth requirements for the 320H series before cutting the cabinet.
Specifying the White METABOX 320H means the drawer interior arrives color-matched and ready to install — no extra finishing step, no mismatched components. For painted-interior cabinetry at any volume, that consistency is worth as much as the hardware itself.
Sold In: 1 Set
