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This 18 inch LEGRABOX C height complete drawer system from Blum delivers a 177mm (7 inch) double-walled steel side profile in Silk White Matte, integrated BLUMOTION soft-close, and a 170 lb static load rating — all in one engineered platform sized for deep, high-use cabinet drawers.
The C height profile is the workhorse height of the LEGRABOX line. At 177mm tall, the sides are deep enough to hold stacked cookware, pantry staples, and tall appliances without a gallery rail — the profile does the retaining on its own. Full-extension travel means every inch of the 18 inch drawer depth is reachable without reaching past the cabinet face. That combination makes this system a natural choice for base cabinet pot drawers, deep pantry pull-outs, and kitchen renovation projects where the drawer needs to do real work rather than just store lightweight items. In laundry rooms and utility spaces it handles folded linens and bulkier supplies with the same composure.
The side profiles are formed steel in LEGRABOX's double-walled construction, which presents a smooth face on both the interior and exterior wall while concealing fasteners behind the profile. Silk White Matte is Blum's finish designation for this colorway — a flat, non-reflective white that reads as intentional in painted and thermofoil white cabinet interiors rather than as a hardware component trying to disappear. The BLUMOTION damper is built into the runner, not clipped on after the fact, so the soft-close action stays consistent across the drawer's load range without field adjustment. The 450mm nominal length pairs with the system's published box-cutting formula to set the interior dimensions of the drawer box.
Cabinet shops running white or light-colored kitchen lines reach for Silk White Matte when the drawer interior finish needs to coordinate with painted door fronts and white interior boxes — the finish is a specification decision as much as an aesthetic one. Designers specifying handleless kitchens can pair this system with Blum's TIP-ON BLUMOTION unit to add push-to-open without giving up the damped close. Contractors building out renovation kitchens appreciate that the complete system format reduces component count at the ordering stage: sides, runners, and front fixings arrive together, and the installer supplies the front, bottom, and back cut to the LEGRABOX specification. Homeowners upgrading a single cabinet will find the 170 lb capacity gives substantial headroom beyond what a standard drawer slide provides.
It is a complete drawer system. The sides, runners, and front fixing brackets are included as an engineered set. You supply the drawer front, bottom panel, and back panel, cut to the LEGRABOX specification for 450mm nominal length.
C height stands 177mm (7 inches) tall, which is the mid-to-tall range in the LEGRABOX lineup. It suits deep drawers carrying cookware, pantry goods, and tall containers. If the drawer holds flatware or shallow items, a lower height profile keeps the proportions right and costs less. If the application is a tall pull-out with a gallery rail, a lower height with added railing may suit better than C height alone.
Yes. Blum's TIP-ON BLUMOTION combined unit integrates push-to-open and soft-close in one mechanism designed for LEGRABOX. Do not add a plain mechanical push-to-open device to a system that already has BLUMOTION — the two conflict unless you use the combined TIP-ON BLUMOTION unit, which replaces the standard runner's closing mechanism.
LEGRABOX is engineered for frameless (32mm grid) cabinet construction. Face-frame installs require Blum's face-frame rear mounting brackets, which are sold separately and specific to the LEGRABOX system. Do not assume standard undermount rear brackets from other brands will fit.
The 170 lb figure is the static load rating per complete drawer system — meaning both runners and both sides working together as one installed drawer. That is the number to compare against the drawer's expected loaded weight.
A Silk White Matte LEGRABOX C height system in 18 inches gives the deep base cabinet a drawer that carries real weight, closes quietly every time, and holds its finish in a white interior without looking like an afterthought. Build the box to the published spec and the system does the rest.
Sold In: 1 Set
