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This is a complete LEGRABOX K-height drawer system from Blum, finished in Orion Gray Matte and sized at 18 inches (450mm) nominal length. It brings together steel double-walled sides, integrated BLUMOTION soft-close runners, and a full-extension travel in one engineered package suited to kitchen, bath, and furniture applications where a dark neutral interior finish is part of the design.
The K height is the practical middle ground in the LEGRABOX lineup. At 5-1/16 inches, the side profile suits drawers carrying volume rather than just flatware: a base-cabinet pantry pull-out stocked with canned goods, a deep utensil drawer beside the range, a bathroom vanity drawer holding hair tools and supplies, or a bedroom furniture piece with folded clothing. The 18-inch nominal length fits the cabinet depth most commonly built to standard kitchen dimensions, making this a reliable first choice when a designer or shop is specifying a mid-depth base cabinet run. The full-extension travel matters here because a tall, loaded K-height drawer needs to come all the way out to give the user access to items at the back without digging.
Orion Gray Matte is Blum's dark interior finish for the LEGRABOX line, coordinated across the side profiles, back panels, and AMBIA-LINE organization accessories. It reads as a warm charcoal in most lighting conditions, which makes it a natural match for cabinet fronts in graphite, navy, forest green, and matte black, as well as for natural wood-veneer fronts where a light or white interior would create too much contrast. Because the finish is matte rather than glossy, it does not telegraph smudges or minor scuffs the way a polished surface would, which matters in production environments and busy kitchens alike. If the project calls for a lighter interior, Silk White Matte is the other primary LEGRABOX color option in this system line.
Cabinet shops running LEGRABOX as their standard platform will recognize this as the workhorse K-height set for a mid-depth run. Designers specifying dark-interior cabinets for a kitchen renovation will find it is the system built to carry that look all the way through, from the side profile to the AMBIA-LINE tray accessories that mount inside. Contractors installing pre-built cabinetry that arrived without hardware can use this system to upgrade a wood-box drawer position to a metal system drawer. The 125 lb rating comfortably handles domestic loading in all of those applications, and BLUMOTION means no separate soft-close unit needs to be sourced and fitted after the fact.
The LEGRABOX complete system includes the double-walled steel side profiles and the integrated BLUMOTION runners. You supply the drawer front, drawer bottom (cut to the system's formula), and back panel. Check Blum's published cutting dimensions for the 450mm nominal length to size your bottom and back correctly.
Yes. AMBIA-LINE — Blum's interior organization line for LEGRABOX — is offered in Orion Gray Matte to match these sides. Frames, cutlery inserts, cross dividers, and other AMBIA-LINE components in that finish coordinate directly with this system.
LEGRABOX offers several side heights identified by letter codes. K height at 128.5mm (5-1/16 inches) sits in the mid-range of the lineup, taller than the M height used for shallow cutlery and flatware drawers, and shorter than the C and F heights suited to deep pot drawers and pantry columns. Choose K when the drawer content is bulkier than flatware but the cabinet height does not support a full-depth tall profile.
LEGRABOX runners are designed for frameless (32mm system) installation. In face-frame cabinets, a face-frame adapter or rear bracket is required to position the runner correctly — those accessories are sold separately and are specific to the LEGRABOX series. Confirm the face-frame clearance against Blum's published installation spec before ordering.
This system includes BLUMOTION soft-close but not a push-to-open mechanism. Blum's TIP-ON BLUMOTION is the combined unit that delivers both damped closing and push-to-open ejection in one system. That is a separate product line from this standard BLUMOTION set.
The LEGRABOX K-height system in Orion Gray Matte delivers the structure, motion, and interior finish in one order — so the drawer goes in loaded and quiet, and the cabinet interior looks intentional from the first time the front is opened.
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