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This is Grass Dynapro's 12 inch full-extension undermount slide in the 5/8 to 3/4 inch drawer-side version — a concealed, soft-close runner rated 100 lb per pair, suited to drawer boxes built from thicker solid hardwood or plywood.
Twelve inch undermount slides cover the shorter drawer runs that appear throughout a typical kitchen and bath project: spice pull-outs beside the range, vanity drawers in an 18 inch base, small utility drawers in an island end panel, and upper-cabinet pull-outs where the interior depth is limited. At full extension, the whole box clears the opening — critical when the content is small items you need to find quickly. The 5/8 to 3/4 inch side-thickness rating makes this version the right call for shops building in solid hardwood or standard 3/4 inch cabinet-grade plywood rather than thinner drawer-bottom material. If your boxes run thinner sides — 1/2 to 5/8 inch — the standard Dynapro version covers that class instead.
Dynapro's steel members run on a roller-bearing carriage that keeps travel smooth under real loads. The zinc finish protects the steel through indoor service life; because the slide mounts completely beneath the drawer box, the finish is functional rather than visible. The concealed mounting means nothing but wood faces the room when the drawer is open — a clean look that suits modern handle-less fronts as readily as traditional framed cabinets.
Custom cabinet shops building solid-wood or 3/4 inch plywood boxes reach for this version because it matches the drawer material they already machine. Designers specifying a tight spice cabinet or a shallow island drawer will find the 12 inch length covers those runs without over-buying slide length. Contractors finishing out a kitchen with a mix of shallow and standard drawers can pair this 12 inch version with longer Dynapro slides from the same series and keep all the hardware on a single system. In face-frame cabinets, plan for the Dynapro-specific rear mounting brackets — they are sold separately and required to support the slide's back end behind the frame.
Build the drawer box to Grass's published nominal specification for the 12 inch Dynapro: correct box length, width formula for the side clearance, bottom recess, and rear notch for the locking-device drilling. An off-spec box will not seat correctly on the slides.
Dynapro front locking devices are series-specific accessories and are typically sold separately. Confirm inclusion when ordering, and note that Dynapro clips are not interchangeable with locking devices from other brands or series.
Yes, the Cabinet Type covers both face-frame and frameless construction. In face-frame installs, you will need the matching Dynapro rear mounting brackets, sold separately, to support the back of the slide behind the face frame.
Per pair — two slides carry 100 lb together. That is the standard convention for undermount slide ratings throughout this segment.
Yes. All Dynapro slides share the same series hardware — locking devices, rear brackets, and covers — so different lengths can coexist in a single cabinet run without switching systems.
When the drawer is shallow and the sides are thick, this Dynapro version closes the gap between the standard thin-side model and the job at hand — delivering full extension, soft-close, and a 100 lb rating in the length and side-thickness class the box actually needs.
Sold In: 1 Set
