Fold-up Torx hex key sets 7-piece - industrial quality T10 thru T40 sizes. V7041 series Hardened and tempered to assure maximum surface resistance. Sharp, clean hex corners and square-cut, burr-free key ends for full-depth precision fit and to prevent rounding out of socket. Sizes clearly marked for easy use. Compact and balanced with keys assembled flat against each other. Comfort grip handles made of high grade steel with no sharp corners or edges. T10, T15, T20, T25, T27, T30 and T40.