The Cornwell Tools CBST55H3 T55H TORX Tamper Proof Bit Socket Driver is a high-quality, single-piece hand tool designed for automotive use. With a 1/2" drive size and specialty T55H size, this chrome-finished socket driver is perfect for tackling tamper-proof nuts and bolts. Made by trusted brand Cornwell and manufactured in Taiwan, this tool is a reliable addition to any mechanic's toolbox.