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This is the Grass Vionaro 3D Adapter Set, a pair of rear-mount plastic adapters — one left-hand and one right-hand — that enable three-dimensional front adjustment on Vionaro concealed drawer slide installations.
Installing Vionaro concealed drawer slides with full 3D front adjustment requires the correct rear-mount adapter at the back of each runner. This adapter set positions the runner precisely at the rear of the cabinet so the front-end adjusters can do their job — correcting height, lateral position, and tilt once the drawer is hung. Without the matching rear adapter, the runner cannot seat correctly and the front adjustment range is compromised. This set belongs in every Vionaro build where 3D adjustment is specified at the front fixing.
The adapters are molded plastic, keeping weight low and eliminating any corrosion concern inside the cabinet box. Because Vionaro runners, front fixings, rear adapters, and cover components are engineered as a closed system, this adapter set is not interchangeable with other Grass drawer platforms or other brands. Pair it only with Vionaro runners and the corresponding Vionaro front fixing hardware to get the full adjustment range the system is designed to deliver.
Cabinet shops building frameless or face-frame kitchens on the Vionaro platform reach for this set when they specify 3D drawer front adjustment throughout a project. It is also the part that fills a gap when a full Vionaro runner set was ordered without rear adapters, or when a single drawer in a run needs to be re-specified mid-project. Designers calling out Vionaro for a handle-less kitchen with tight reveals will want this adapter confirmed in the hardware schedule before the shop places its slide order.
One left-hand adapter and one right-hand adapter — enough for one drawer's rear mounting position.
No. This adapter is engineered for the Vionaro platform. It does not fit Nova Pro Scala, Dynapro, or other Grass systems, and it does not interchange with adapters from other brands.
Only when 3D front adjustment is part of the specification. If your Vionaro installation uses a different rear mounting method, confirm the correct rear component with the system's installation guide before ordering.
Each adapter is mirror-imaged for its side of the drawer. Ordering two of the same hand will not complete a working rear mount — the set ships as a matched left-and-right pair to prevent that error.
Getting the rear mount right means the front adjustment does what it promises — true gaps, level fronts, and a finished kitchen that holds its alignment over time. This adapter set is the component that makes that possible at the back of the run.
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