6 piece 1,000 volt insulated screwdriver set with Flat and Phillips Flat (Slotted Head) : 2.5x75mm, 3.0x100mm, 4.0x100mm, 5.5x125mm Phillips: PH1x80mm, PH2x100mm All 1000 volt tools from Teng Tools conform or exceed all specifications that the relevant authorities have established Each tool is individually tested before it is marked with a special standards tag that indicates year of manufacture The screwdriver shaft is covered in 2 layers of insulation in different colors that make it easy to see if the insulation is damaged The blades are insulated before the handle is moulded, which makes the screwdriver safer The handle has a unique, ergonomically designed two component grip with a greater volume to give better support, increased comfort and improved power transfer. The handle is moulded around the blade, this ensures that all Teng Tools screwdrivers are completely straight and permits much larger wings on the blade, which in turn allows a much greater torque. Hole in the handle for tool-securing when working at height, for hanging or for use as a T-handle.