I've used a plastic putty knife to cook with ever since I've left home. In fact I have two of them - both industrial strength that my Dad got from work eons ago.QUOTE]
In contrast, I have a metal spatula with notches, that sees plenty of use as a paint scraper, and nail remover.
You can use a lightly floured glass to cut perfectly round biscuits, after you've used it, or a coffee can to roll out the dough first.
Never overlook the myriad uses for a regular flat head screwdriver. You can pry, stir, nail (with the handle), it's a versatile tool.