Founded in the 2000s, Jetech boasts a comprehensive range of tools with a strong focus on professional industrial-grade tools. We take pride in serving mechanics and users from over 60 countries and 5 continents. Jetech 3/8in Dr 9mm deep impact socket is designed for professional use with impact tools. Durable Cr-Mo material together with cold forging and heat treatment ensures high quality, strength and working ranges. Its 6-point design provides a more exact fit. Easily recognize the size with clear markings on the tool itself. Radius corner design protects the fastener and socket, prolonging the lifespan of both this tool and the fastener.