This is the 7599th most frequent Polish word.
lancetów
"Lancetów" is the genitive plural form of "lancet," meaning "lancets" (small, sharp surgical instruments) in English.
In this sentence, 'lancetów' refers metaphorically to cutting tools resembling lancets used for bread cutting.
Do krojenia chleba używasz lancetów.
You use lancets to slice bread.
Here, 'lancetów' indicates small carving tools resembling lancets employed by the artist.
Artysta stworzył obraz używając lancetów.
The artist created a painting using lancets.
'Lancetów' in this context directly refers to medical instruments used for pricking the skin, often in pharmacies.