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This is the right-hand cabinet member of the Grass Dynapro undermount drawer slide, sized for 21-inch drawer boxes. Ordered in bulk quantities, it is the working runner that mounts to the right side of the cabinet interior, carrying the drawer box on a concealed undermount track. Pair it with the matching left-hand member to complete a drawer installation.
The Dynapro 21-inch right-hand member is the runner for production cabinetry shops building standard kitchen drawer stacks, bath vanities, or furniture pieces where a 21-inch box depth is the layout standard. Because the slide is fully concealed beneath the drawer, the interior of the cabinet stays clean and hardware-free — a finish that designers and homeowners both notice. The bulk pack serves shops running the Dynapro system across a full kitchen or bath order, where pulling individual pairs from stock for every drawer slows the line.
Dynapro runners are zinc-finished steel, built to carry through years of daily residential cycling. The zinc surface resists corrosion in the dry indoor environments where undermount slides live — inside cabinet boxes away from moisture. The 21-inch member is engineered to the Dynapro dimensional standard, so the drawer box width formula, the rear notch, and the locking-device drilling all work as the Grass specification requires. Drawer sides must be 5/8 inch (16mm) or 3/4 inch (19mm) — confirm the drawer side thickness version matches your box construction before ordering.
Cabinet shops running the Grass Dynapro system as their standard undermount platform order this right-hand member in bulk alongside its left-hand counterpart to keep a production line moving without per-drawer picking. Designers specifying Dynapro for a project will find the 21-inch depth common in standard kitchen upper-drawer layouts. Contractors sourcing for an install reorder by the member when a single side needs replacement. Homeowners who know their cabinet brand and want to maintain an existing Dynapro installation can match this member by confirming the 21-inch slide length and the right-hand orientation.
This is the right-hand cabinet member only. To complete a single drawer you also need the left-hand cabinet member and the front locking devices — both sold separately. Front locking devices for Dynapro are Dynapro-specific and are not interchangeable with other brands.
Dynapro slides are available for 5/8 inch (16mm) and 3/4 inch (19mm) drawer sides. Confirm which version this SKU is sized for against your drawer box construction before ordering, as the two versions are not interchangeable.
Yes. The Dynapro system is compatible with Grass Tipmatic Soft-close, which combines push-to-open convenience with damped closing. The Tipmatic set and any synchronization bar are ordered separately and are specific to the Dynapro program — they do not fit other brands' undermount slides.
Dynapro undermount slides can be installed in face-frame cabinets, but face-frame installations require the appropriate rear mounting support. Check the Grass installation specification for face-frame requirements before roughing in the cabinet.
Grass Dynapro is a full-extension undermount slide, meaning the entire drawer travels clear of the cabinet face at full open so the full depth of the box is accessible. Confirm the extension class from the Grass catalog page for this specific member if your application requires verification.
When the shop runs Dynapro as its standard undermount system, stocking the 21-inch right-hand member in bulk keeps production on schedule and every drawer in the run pulling from the same proven platform.