The Wheelers Professional Digital Trigger Gauge is designed with an over-molded construction and features soft-touch buttons to ensure comfort and uniformity in pull. It comes with a bladed trigger adapter making it compatible with triggers possessing internal safety blades such as those from Glock Ruger and Savage. Additionally it is accompanied by a storage case lined with foam for protection.This gauge is equipped with an audible tone indicator to provide feedback. It includes a folding arm for convenience and offers a range of functions including maximum minimum average and live readings.