KONE Copper Sink Drain 3.5 in Kitchen Sink Strainer - Durable Seal

In this review the KONE Copper Sink Drain 3.5 in kitchen sink strainer is evaluated as a practical replacement for standard American sinks. The bottom line: this drain assembly is best for homeowners or pros seeking a rustproof, easy-to-clean strainer that doubles as a stopper, with a tight seal that reliably holds water. The reviewer found the stainless steel body and stainless steel stopper deliver a noticeably sturdier feel than rubber-stopper alternatives, and installation is straightforward using the included gaskets and nuts.

Key Features

• Universal fit: Designed for most American standard sinks with a 3.5 in drain hole, so it replaces common kitchen drains without modification.
• Stainless steel construction: The body and stopper are stainless steel for durability and rust resistance, giving a long service life compared with rubber-stopper designs.
• Dual function: Serves as both a basket strainer and a sink stopper by turning the top knob, simplifying everyday use and cleaning.
• Easy to clean: The T-shaped center knob makes lifting the basket simple, so trapped debris can be removed quickly without tools.
• Complete installation kit: Includes two gaskets, a mounting nut, and a lock nut so the drain installs in minutes without plumber's putty.
• Tight sealing: Customers report a reliable seal and minimal slow-drain problems when installed correctly, reducing concerns about leaks.

Who It's For

The KONE Copper Sink Drain is ideal for homeowners renovating a kitchen or for contractors fitting a sink where a commercial-feel drain is desired; its stainless steel stopper and solid construction suit busy kitchens that need a dependable drain and stopper in one. It also fits well for anyone who prefers a metal stopper over rubber for longevity and easier cleaning.

Those who should look elsewhere include people needing a specialty or nonstandard drain size, or buyers who require a decorative finish that must exactly match an existing faucet finish beyond the antique copper look implied by the product name. Also, if a sink uses a smaller than 3.5 in drain, this will not be compatible.

Pros & Cons

Pros

• Solid stainless steel build that resists rust and gives a commercial-grade feel.
• Works reliably as both a strainer and stopper, with an easy turn knob for operation.
• Comes with all necessary parts so the installation is quick and does not require putty.
• Customers note a tight seal that prevents slow leaks when installed properly.

Cons

• Not suited for sinks with a nonstandard drain hole size; it only fits 3.5 in openings.
• A small number of customers reported fitment differences depending on sink drain flange dimensions, so measurement before purchase is advised.

Specifications

Brand	KONE
Drain opening size	3.5 in (universal American standard)
Material	Stainless steel body and stopper
Functions	Basket strainer and stopper (turn knob)
Included parts	Two gaskets/washers, mounting nut, lock nut
Installation	No plumber's putty required; installs in minutes

Our Verdict

The KONE Copper Sink Drain 3.5 in is a sensible, value-oriented choice for most standard kitchen sinks, offering durable stainless steel construction and a dependable sealing stopper. It is worth buying for anyone who needs a straightforward replacement that installs quickly and avoids the ongoing issues of rubber stoppers, though buyers should confirm their sink uses a 3.5 in drain hole before ordering.

Frequently Asked Questions

Will this fit my sink?
It fits sinks with a 3.5 in drain hole, which is the common American standard; measure your drain opening to confirm compatibility.

Does it require plumber's putty?
No, the package includes gaskets and nuts so it installs without plumber's putty.

Is the stopper rubber or metal?
The stopper is stainless steel rather than rubber, chosen for longer life and a tighter seal.