Craftsman 7 Piece Evolv Torx Bit Socket Set, 9-01005 7 pc. Torx Bit Socket set includes sizes: T15, T20, T25, T30, T40, T45, T50 For use with a 3/8 in. drive ratchet Delivers rapid toque of a ratchet to Torx screws Large size markings give you the right size fast Backed by Craftsman's Lifetime Guarantee