Kraus KGUW2-33MBL 32-Inch Metallic Black Quartz Composite Undermount Sink

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Product guide

Kraus KGUW2-33MBL 32-Inch Metallic Black Quartz Composite Undermount Sink

Kraus KGUW2-33MBL is a 32-inch metallic black quartz composite undermount kitchen sink with a single bowl and an integrated accessory ledge. Its cutting board and roll-up drying rack can add prep and drying workspace over the sink, while the listed dimensions and 36-inch minimum cabinet requirement make fit-checking important.

At a glance

Integrated ledge lets compatible accessories slide across the sink for prep and drying tasks.
The listing describes a spacious single bowl with a rear-offset drain and sloped base intended to help water drain.
The manufacturer claims resistance to scratches, impact and thermal shock, and says the sink is heat-safe up to 500°F.

Price

$359.95Save 25%

Reference price: ~~$479.95~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Cutting board and roll-up dish drying rack are listed as included, extending the usable work area over the basin.
Undermount installation provides a countertop-to-sink transition without an exposed mounting deck.
A listed 30-inch-long bowl and 9 3/8-inch depth offer room for sink tasks, subject to confirming the actual cabinet and cutout fit.

Cons

Care guidance rules out abrasive materials and says not to leave standing water, so the finish calls for attentive upkeep.

Technical specifications

17 specifications

Identity
Brand	Kraus
Model	KGUW2-33MBL

Dimensions and installation
Form factor	Rectangular
Installation	Undermount
Dimensions listed	19"D x 29"W x 10"H
Weight listed	33.1 pounds
Minimum cabinet size	36 in.
Bowl dimensions	30 in. L x 16 in. W x 9 3/8 in. D
Hole count	1

Materials and finish
Material listed	Quartz Composite
Finish	Metallic Black
Color	Black

Sink design and care
Bowl configuration	Single Bowl
Drain type	Grid
Care instructions	Clean with mild soap and warm water, avoid abrasive materials, do not leave standing water.
Heat-safe claim	up to 500°F

Warranty
Manufacturer warranty description	Lifetime Warranty

What to know before buying

Listing details to confirm

Listing dimensions differ by presentation: the details table gives 19"D x 29"W x 10"H, while the feature text calls the outer sink 32 in. L x 19 in. W x 10 in. D. Confirm cutout and cabinet fit against the selected listing. The feature text specifies a 36 in. minimum cabinet size. Customer feedback is mixed on cleaning, color and scratch resistance, and includes reports of cracking and stains that typical cleaners did not remove. The listing's 500°F heat-safety and material-resistance statements are manufacturer claims, not independently verified.

What’s in the box

Included

Mounting hardware
Sink
Heavy-duty cutting board
Roll-up dish drying rack
Drain assembly with strainer

Who is it for?

A good fit for

Kitchen remodels with a suitable 36-inch minimum cabinet and countertop prepared for an undermount sink.
Buyers who want a black quartz composite single bowl with a ledge, cutting board and roll-up drying rack.
People who expect to use the basin for both washing and countertop-adjacent prep or dish drying.

Less suited to

Buyers who need confirmed dimensions before planning a cabinet cutout without checking the listing discrepancy.
Anyone seeking a sink that can be maintained with abrasive cleaners or left with standing water.

Kraus KGUW2-33MBL 32-Inch Metallic Black Quartz Composite Undermount Sink · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 981 ratings

5 stars70%70%
4 stars8%8%
3 stars6%6%
2 stars4%4%
1 star12%12%

Customer feedback highlights the sink's appearance and perceived quality, and the cutting board and drying rack are appreciated. Experiences with cleaning are mixed, with reports of staining and difficulty keeping the surface clean. Color opinions also differ, including comments that the drain does not match. Reports of cracking and mixed views on scratch resistance are worth weighing alongside the manufacturer's quartz-composite durability claims. Many ratings are five-star, but the rating distribution also includes a notable one-star share. For a workstation sink, accessory usefulness and appearance may matter most in daily use, while upkeep and the reported durability concerns deserve consideration.

Positive themes

Customers praise the sink's appearance and quality, and appreciate the included accessories.

Negative themes

Customer feedback reports problems with stain resistance and includes reports of cracking.

Mixed feedback

Customers differ on color, ease of cleaning and scratch resistance.

Frequently asked questions

What accessories are listed with the sink?

The listed components are a heavy-duty cutting board, roll-up dish drying rack, drain assembly with strainer and mounting hardware. Check the selected listing to confirm its package contents.

What cabinet size does the listing specify?

The feature text states a 36 in. minimum cabinet size. The listed outer dimensions differ from the details-table dimensions, so confirm the required cutout and cabinet fit before installation.

How should the sink be cleaned?

The care instructions call for mild soap and warm water, advise avoiding abrasive materials and say not to leave standing water.

What do customers report about upkeep?

Feedback is mixed on ease of cleaning, with reports of difficulty keeping the sink clean and of stains not coming off with typical cleaning products. That contrasts with the straightforward care instructions, so consider your cleaning expectations.