The set includes nine different sizes, ranging from T20 to T55, and is compatible with a 3/8" drive. • Sizes: T20, T25, T27, T30, T40, T45, T47, T50 and T55. This set of 9 impact Star bit sockets is designed to work with Torx® products and is made from high-quality Chromium Molybdenum material.
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