The Spektrum™ 24-in-1 Mini Precision tool Set is a small, compact, and easy-to-transport tool set for use in smaller precision use cases. Includes common Phillips, Flat and Hex style bits and specialized drive tips such as Torx, Y Style and more. Excellent for building and repairing smaller RC models, electronics and micro helis. The bits are made of S2 Steel and magnetically attach to the aluminum storage area.