20/ 100
F

PFAS score

Numhew 6-Piece Anti-Rust Non-stick Stainless Steel Kitchen Knife Set with Knife Block, Black

Gotham Steel · Non-Stick Knife Sets

Numhew 6-Piece Anti-Rust Non-stick Stainless Steel Kitchen Knife Set with Knife Block, Black

F · High PFAS

Skip until coating details are disclosed; Gotham Steel non-stick cookware has historically used Teflon-type coating-based coatings.

This knife set combines stainless steel blades with an unspecified non-stick coating, a common PFAS concern. Gotham Steel's parent company (TV Direct/Emson) has faced scrutiny over Teflon-type coating in cookware lines and does not publicly disclose coating chemistry or provide PFAS-free certification.

The safe swap

GreenPan Bobby Flay Knife Block Set

GreenPan

GreenPan Bobby Flay Knife Block Set

100/100 safety

A

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

Stainless steel blades; non-stick coating composition not disclosed

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

Why this grade

Non-stick, chemistry undisclosed

Marketed non-stick without stating the coating chemistry.

Hurts the grade

Category baseline

cookware is a category where PFAS exposure is more common.

Hurts the grade

Vague safety claims only

Uses vague language ("eco-friendly", "clean") without a specific PFAS statement.

Hurts the grade

What we don’t know

This grade is a model-based estimate from public materials, coatings, and brand disclosure at 45% confidence. It is not a lab result.

No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.

The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.

Formulations and coatings change between production runs. Always check the current label before buying.

Safer alternatives in Non-Stick Knife Sets

GreenPan Bobby Flay Knife Block Set

GreenPan

Bobby Flay Knife Block Set

stainless steel knives and wooden block

A
A
PFASAll
A · Very low PFAS2 flags

Lower concern, stainless steel knives with wood are inherently PFAS-low, though no third-party verification exists.

Risky category by default

GreenPan Elite Cutlery Knife Block Set

GreenPan

Elite Cutlery Knife Block Set

stainless steel blades and handles

A
A
PFASAll
A · Very low PFAS2 flags

Lower-concern product, stainless steel knives are inherently PFAS-free; brand stance supports this.

Risky category by default

OXO Icing Knife Set

OXO

Icing Knife Set

Stainless steel blades with polymer handles

A
C
PFASAll
A · Very low PFAS3 flags

Lower PFAS concern, icing knives are non-coated utensils with no water-repellent or non-stick treatment.

Risky category by default

More non-stick knife sets grades

How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.