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This 22 inch LEGRABOX cabinet profile is the zinc-finished, heavy-duty runner for Blum's LEGRABOX drawer system, rated at 155 lb per pair with integrated soft-close. It is the cabinet-side member of the undermount runner pair, designed for the 550mm nominal length configuration and built for installations where load and longevity are the primary concerns.
The LEGRABOX system separates the running gear into a cabinet member and a drawer member, each ordered as its own component. This profile is the cabinet-side runner — it mounts to the cabinet floor or side wall and receives the drawer assembly. In a face-frame cabinet, rear mounting brackets are required and are sold separately; in a frameless cabinet on the 32mm grid, the profile mounts directly to the side panel. The drawer member, locking device, and front fixing bracket complete the installation and must be sourced from the LEGRABOX system — components from other Blum platforms or third-party runners are not interchangeable with LEGRABOX parts.
At the 550mm nominal length, this profile is matched to a 22 inch drawer box depth. Confirm that the cabinet's interior depth accommodates the 550mm runner before ordering, and build the drawer box to Blum's published cutting dimensions for this nominal length.
The zinc finish on this profile is the pairing choice for LEGRABOX side profiles ordered in zinc, keeping the interior hardware visually consistent when the box sides, runner, and front fixings share the same color family. Beyond appearance, the steel runner is built to the LEGRABOX heavy-duty specification — 155 lb dynamic capacity per pair — which places it above the standard LEGRABOX rating and makes it the right pick for applications that push weight limits: oversized pot drawers, deep pantry pull-outs, or commercial-grade casework where drawers carry sustained loads through high open-close cycles.
Cabinet shops and contractors specifying kitchens with heavy-use storage drawers will find the 155 lb rating addresses the loads that cause standard undermount runners to sag or lose adjustment over time. Designers working on pantry towers, butler's pantries, or appliance garages where a single drawer may hold several pounds of cast iron or small appliances can specify this runner with confidence in the long-term performance. The soft-close is integrated rather than an add-on, so the damping behavior is consistent from the first install and does not require separate component sourcing. Homeowners renovating a high-use kitchen who want the same hardware a production shop would specify will find this the right choice for bottom drawers that carry the heaviest everyday loads.
This is the cabinet-side profile only — one member of the undermount runner pair. You also need the drawer-side member, a locking device, and a front fixing bracket to complete a working drawer. All components must come from the LEGRABOX system.
The standard LEGRABOX series is rated at 110 lb dynamic per pair; this heavy-duty profile is rated at 155 lb dynamic per pair — a meaningful difference for drawers carrying cast iron, bulk dry goods, or other concentrated loads.
Yes, but face-frame installations require rear mounting brackets, which are sold separately. In frameless cabinets the profile mounts directly to the side panel on the 32mm grid without additional brackets.
The runner will function regardless of finish pairing, but the zinc profile is intended to coordinate with zinc-finished LEGRABOX side profiles. Mixing finishes within a visible drawer interior is a design decision, not a mechanical concern.
Soft-close is integrated into this LEGRABOX runner — no separate damper or BLUMOTION unit is required. The damping is part of the runner mechanism itself.
When the drawer is going to carry weight every day, the runner rating is the number that matters most. This LEGRABOX heavy-duty cabinet profile gives that load capacity in a zinc finish, with soft-close built in, ready to be completed with the matching drawer member and system accessories.
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