Snap-on Tools 7-Piece Tap and Die Drive Tool Set (TDRSET) in a red storage case.Set Components: The set typically includes a T-handle, adjustable tap sockets, a die holder, and a die spacer.Die Lock System: The drive tools feature a "twist to lock" system that eliminates the need for set screws when inserting or removing dies. Adjustable Design: The adjustable tap sockets allow for driving various tap sizes, and the set is designed to work with SAE and Metric threads.