The IRWIN Industrial Tool SKT BIT 3/8 DR T40 TORX is a precision-engineered socket bit designed for use with 3/8-inch drive tools. This T40 Torx bit is ideal for applications requiring a secure fit with Torx fasteners, providing excellent torque transfer and minimizing the risk of stripping. Made from high-quality materials, it ensures durability and long-lasting performance. The bit's design allows for easy engagement and disengagement, making it a valuable addition to any tool collection. Perfect for automotive and industrial use, this socket bit meets ANSI standards for quality and reliability.