All the tools you need in order to measure your mouthpieces prior to refacing, in one package!
These are the same, professional-quality tools that Theo uses with his refacing work and includes our Digital Tip Gauge, our "Traditional" Glass Gauge and a 5-piece version of our Feeler Gauge set.
Also included is Theo's book: Basic Mouthpiece Refacing. This is the best guide to learn how to reface mouthpieces that exists. It is very easy to follow with big pictures and simple processes.