The Ko-ken SKU 2276 is a 19-piece 1/4" Sq. Dr. bit set. It includes Phillips bits in sizes 1, 2, and 3; slotted bits in sizes 4, 5, and 6; hex bits in sizes 3mm, 4mm, 5mm, and 6mm; and TORX® bits in sizes T10, T15, T20, T25, T27, and T30. The set also features a reversible short ratchet (SKU 2753PS), a spin-type handle (SKU 2769N-150), and a bit holder (SKU 2137) that adapts 1/4" square drive to 1/4" hex. The entire set comes in a sturdy metal case for convenient storage and transport.