Proto
The Stanley Proto SAR3901 is a 3/8 inch drive security Torx bit socket set. It includes 10 Torx bit sockets, featuring sizes from T20 through T55. The sockets are constructed with a strong alloy steel body, and they feature a corrosion-resistant finishes that help extend the tools’ lifetime. They also have a spring-loaded ball bearing in each socket to ensure secure engagement, and they are laser etched with the size for easy identification. They are designed to fit fasteners on a wide variety of applications including engines, automobiles, furniture, and electronics.