How do I choose the best blade for the application? Wilson December 10, 2020 18:49 Updated Follow To make your job easier, we have marked our jig saw blades for either wood or metal cutting. As a rule, the more teeth on the blade the better the finish of the cut. We also recommend keeping a minimum of 2 teeth in the material at all times. Related articles Is it possible to interchange my 12, 14.4, 18 or 24 volt Firestorm or Black and Decker battery with any other Black & Decker product? Comments 0 comments Please sign in to leave a comment.