The KNIPEX HZ900S-E12 is a high-quality TORX® impact socket, specifically designed for power screwdrivers. Constructed from durable chrome molybdenum steel, this socket offers exceptional strength and longevity. With a size of E12, it is ideal for applications involving TORX® fasteners. The black oxide finish provides enhanced corrosion resistance, ensuring the socket remains in top condition. Complying with ANSI standards, this socket is perfect for both professional and DIY use, compatible with various impact tools for reliable performance.