This professional 12 piece sketching pencil set with a hard metal case is perfect for my art kit! I lreally love that I can store it in the case and the leads don't get crushed or broken while i am carrying them in my art kit! There are all the sizes I need for sketching, Medium hardness and sizes from 8B to 2H. It doesn't matter if you are already well on your way to being a professional artist, or just beginning to be one, this set will be perfect for drawing or sketching, especially if you are on the go. This sethas a great guarantee, so it is even mor epeace of mind. Personally I love them!