The SUNEX Tools 3/8 inch Drive T27 Internal Star Impact Socket, Model 3670S3, is engineered for professional and industrial applications requiring reliable torque transfer and durability. This socket features a 3/8 inch drive size and a T27 6-point internal star socket design, providing maximum contact with fastener flats to reduce rounding and enhance torque application. Constructed from high-strength chrome molybdenum alloy steel, it is built to withstand the demands of high-torque impact use. The socket is machined to precise tolerances to ensure a secure fit and minimize slippage during operation. Its black phosphate finish offers excellent corrosion resistance, extending the service life of the tool even in harsh environments. Designed specifically for use with impact wrenches and pneumatic tools, this socket meets or exceeds ANSI and ASME standards, ensuring consistent performance and safety. The dual-size laser-etched markings allow for quick identification in low-light conditions. Backed by the SUNEX Tools lifetime warranty with no exclusions, this impact socket provides dependable service for a variety of fastening tasks.