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This 18 inch LEGRABOX K height drawer system from Blum brings integrated BLUMOTION soft-close and full-extension travel to kitchen and bath projects specified in Silk White Matte. The steel double-walled sides, runners, and front fixings arrive engineered together as one platform, sized for a 450mm (18 inch) nominal depth and rated for 125 lb per drawer.
The K height profile is the middle-of-the-range side height in the LEGRABOX family, and the 18 inch nominal length suits standard base cabinet depths. It is the right choice when the pot drawer or deep utensil drawer needs more vertical room than a low M-height side provides, but the extra height of the F-height profile would be unnecessary. Kitchens converting from wood drawer boxes to a metal system find the 125 lb rating handles the full load of cast iron and heavy ceramic without any margin concern. The same system works in pantry pull-outs, bath vanity base cabinets, and laundry room storage where a full-extension travel and a clean white face make the interior feel purposeful rather than incidental.
Silk White Matte is a flat, non-reflective white that reads as the same tone whether the drawer is open or closed against a painted white face frame. It pairs naturally with slab fronts in semi-gloss or matte white, shaker doors in painted MDF, and thermofoil wraps in classic white. The steel double-walled sides hide every fastener behind a continuous surface, so the interior view from above shows no visible hardware breaking the wall. BLUMOTION damping is built into the runner rather than clipped on afterward, which keeps the side profile slim and ensures the damping is calibrated to the system rather than a generic aftermarket unit.
Cabinet shops running white-finish kitchen programs reach for this system when the specification calls for a Blum-engineered platform rather than a wood box on an undermount slide. Designers specifying handleless or minimal-hardware kitchens in white rely on the LEGRABOX platform for its front-adjustment range and the clean interior it presents. Contractors finishing a white kitchen renovation who need to match an existing LEGRABOX installation in the same finish will find this the direct replacement. The 125 lb rating also makes it a dependable choice for accessibility-focused projects where heavy-load, full-extension access to every drawer matters.
No. The LEGRABOX system supplies the side profiles, runners, and front fixing brackets. You supply the drawer front, drawer bottom, and back panel cut to the platform's published dimensions.
K height stands 128.5mm (5-1/16 inches) tall. It sits between the low M height and the taller F height in the LEGRABOX range. Choose K when you need more vertical clearance than M provides but do not need the full depth of F.
BLUMOTION is integrated into the runner unit of this system. It is factory-set and weight-adaptive within the rated load range. Replacement or adjustment details are available in Blum's published installation documentation for LEGRABOX.
Yes. AMBIA-LINE is Blum's interior organization line developed for LEGRABOX drawers. Frames, cross dividers, lateral dividers, flatware inserts, and knife holders in AMBIA-LINE are designed to work within this platform. Confirm the AMBIA-LINE components are sized for K height when ordering.
Silk White Matte is a flat-sheen white specific to this Blum finish. It reads as a neutral, clean white under most lighting. For a confirmed match to an existing installation, compare against a sample before specifying across an entire project.
Specify the 18 inch LEGRABOX K height in Silk White Matte where the drawer needs full access, heavy-load capacity, and a finish that disappears cleanly behind a white front.
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