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This is the left-hand Dynapro Eco front locking device with integrated flange, the system-matched component that secures the drawer front to a Vionaro drawer box and holds height adjustment after installation.
On a Vionaro or Dynapro system drawer, the front locking device is what bridges the metal side profile and the applied drawer front. It snaps or locks into the side profile at the front end, and the drawer front clips or fastens to it. Without a matched locking device — left on the left side, right on the right — the drawer front cannot be attached to the system. This left-hand device belongs at the left side of the box as you stand in front of the cabinet. The 3mm height adjustment built into the device lets you dial in the drawer front's vertical position after the box is installed, so front gaps are even across the run before you finalize the hardware.
The device is molded plastic, shaped precisely to the Dynapro Eco runner and Vionaro profile geometry. The flanged version adds a wider bearing surface at the front of the box, which can help when working with thinner or less rigid drawer fronts. Because Grass engineers its front-attachment hardware to each runner generation, this locking device belongs to the Dynapro Eco series specifically. Front fixing hardware across Grass's lineup — Dynapro, Dynapro 3D, Nova Pro Scala, Vionaro — is not shared between series, and no cross-brand substitution applies.
Cabinet shops building Vionaro or Dynapro Eco drawer runs reach for this part when outfitting new boxes, replacing a lost or broken device on an existing install, or adding drawers to an established kitchen project already running this system. Designers and contractors sourcing hardware for handle-less or full-overlay fronts on Dynapro runners need one left-hand and one right-hand locking device per drawer. This is a single left-hand device; order the matching right-hand locking device separately to complete the front attachment on one drawer.
One per side of the drawer box — so two devices per drawer: this left-hand unit plus a right-hand locking device. Each drawer in the cabinet gets its own pair.
The flange extends the contact footprint between the device and the drawer front, offering additional surface for attachment. Whether you need the flanged or standard version depends on your front material and the specific Dynapro Eco installation requirement — check the Grass installation guide for your runner to confirm which version your build calls for.
No. Grass front locking devices are series-specific. This device is made for the Dynapro Eco; Nova Pro Scala, Dynapro 3D, and other Grass series use their own front-fixing hardware.
This device provides 3mm of height adjustment — enough to correct minor vertical gaps between drawer fronts without removing the box or the front.
A single missing or wrong-handed locking device stops a drawer installation cold. Having the correct left-hand Dynapro Eco device with flange on hand before the fronts go on means the adjustment gets made at install, not on a return trip.
Sold In: 1 Each
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1 Each |  GFF134116421233 Mfr# F134116421233 | Grass America Vionaro Front Locking Device Right Hand, F134116421233 |
