These are great for materials 1/4 inch thick and thinner. I recently needed them to score a 2 inch stainless steel pipe. They worked perfectly to the limit of their depth. If they were deep they would easily complete my cuts.
Pros
* Ideal design: The spring design makes it easier to remove the chips. With the edge part, it is extremely difficult to produce peeling, three forms of a cutting knife combination. Allen keys are the most convenient and convenient for you to use.