This set includes 25 and 89mm long bits a quick chuck driver with a smaller handle for speed and a quick chuck driver with a larger handle for power. The product is supplied in the unique Teng Tools TC tray for use on it’s own or as part of the Teng Tools tool control system. 38 piece screwdriver bit set An extensive range of 1/4 hex drive 25mm screwdriver bits 2 quick chuck bit driver handles included giving a choice of shaft lengths to suit different situations Supplied in the unique Teng Tools TC tray Removable lid and dove tail joints Use on it’s own or as part of the Teng Tools Get Organised system