This Stanley FatMax 6 piece Tamper-proof TORX screwdriver set, comprises the following: 1 x TTX10 x 75mm. 1 x TTX15 x 75mm. 1 x TTX20 x 100mm. 1 x TTX25 x 100mm. 1 x TTX30 x 115mm. 1 x TTX40 x 130mm. The screwdrivers have large diameter handles, offering a high torque required for driving wood screws. In addition, the chrome vanadium steel bars allow for high torque and reduce the chance of tip breakage. The handles are moulded directly to the bars to form a virtually unbreakable bond, resulting in highly reliable screwdrivers with an extra long life. For comfort and quick screwdriving, the screwdrivers combine smooth domed ends with soft grip handles. They have colour-coded ends (green) to make it easy to identify the correct screwdriver for each screw type.