It is a kitchen utensil
it is a tool used for cooking /baking in the kitchen
Microplane
Kitchen utensils are any tool used in the kitchen. Picture above gives a basic idea.
utensil
The zester is a kitchen utensil. It is used to remove shreds of zest from citrus fruits.
a "spider" is a kitchen utensil used to get something solid out of a liquid.
If this is for That's Life Puzzles the answer for Kitchen tool is Utensil.
The word is a utensil, as in a kitchen utensil. Plural is utensils.
spatula
I use 3 , the sieve, the colander or the straining spoon
you use a thermocouple instrument