7 piece metric T-handle hex key allen wrench set featuring regular hexagon fittings at both ends (i.e. no ball point)3.94 inch/100mm long hex key drivers: 2.5, 3, 4mm. 5.9 inch/150mm long hex key drivers: 5, 6, 7mm7.5 inch/190mm long hex key drivers: 8mm.Made from chrome vanadium steel for industrial use with ergonomically designed bi-material handles for comfort and supportSupplied in a unique tool tray which features a removable lid and dove tail joints. The set can be used on its own as a standalone set or as part of our Get Organized system where all of our tool trays click together allowing you to build your ultimate tool setup.