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The Karran Matrix HSU1717SBGG is a 16-gauge stainless steel single-bowl undermount sink in a Gunmetal Grey finish, sized for bar stations, kitchen islands, and dedicated prep areas where a compact footprint and a distinctive finish matter.
At 17 by 17 inches, this sink fits naturally into an island prep station, a wet bar, a butler's pantry, or a secondary wash zone where a full 30-inch kitchen sink would be excessive. The square bowl format makes it equally useful for soaking, rinsing produce, or cleaning bar tools. The 9-inch bowl depth keeps splashing in check even when filling tall containers. Because it mounts under the countertop, the counter wipes clean directly into the bowl with no rim lip in the way.
The Gunmetal Grey finish is the differentiating detail here. Where a brushed stainless sink blends into a light stone or white countertop, Gunmetal Grey reads as a deliberate design choice, pairing well with matte black hardware, dark countertops, or a two-tone kitchen scheme. The 16-gauge stainless body provides a solid, resonance-dampened feel underhand that thinner-gauge alternatives typically do not match. The rectangular bowl is sized to accept a standard 3-1/2 inch drain fitting, keeping the plumbing connection straightforward.
This is the right choice for a designer, contractor, or homeowner who wants the utility of an undermount bar or prep sink without settling for a finish that disappears into the kitchen. It suits kitchens where hardware and fixtures are already specified in darker tones, matte black, oil-rubbed, or dark bronze, and where the sink is expected to hold its visual weight rather than recede. It is an indoor undermount sink and requires a countertop that supports undermounting, such as quartz, granite, or solid surface.
Gunmetal Grey is a darker, muted finish applied over the stainless steel body. It reads closer to a dark matte than the silver-toned brushed look of standard stainless, making it a match for kitchens with dark or contrasting hardware finishes.
This is an undermount sink and needs a countertop that supports undermounting, such as quartz, granite, or solid surface. It is not a drop-in and cannot be top-mounted.
The source data does not confirm a strainer or drain fitting in the box. Plan to source a standard 3-1/2 inch basket strainer separately to complete the install.
16-gauge stainless is thicker than 18-gauge, which translates to a more rigid bowl, less flex under load, and typically better sound dampening. For a bar or prep sink that gets daily use, the heavier gauge is the more durable starting point.
Choose the Karran Matrix in Gunmetal Grey when the install calls for an undermount bar or prep sink that contributes to the kitchen's design rather than blending out of it.
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