CruzTools Hex Socket Bit Set Professional strength socket bits made from treat S2 alloy. The 3/8 drive works well with ratchet, T-handle, or any other cordless driver you might have laying around. The bit size is featured being laser imprinted to easy identification. Features: Top-grade metric hex and Torx bit socket sets include all the sizes needed Easy-to-read sizes with reverse laser imprint on each socket for quick identification Each set includes a socket rail with handle for quick organization Sets Included: 10 Piece Torx (Star) Set: T10, T15, T20, T25, T27, T30, T40, T45, T50, T55 8 Piece Metric Hex Set: 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm 10 Piece SAE Hex Set: 5/64, 3/32, 1/8, 6/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8