The facom protwist screwdrivers have ergonomic chemically resistant comfort grip handles that are shaped to provide maximum torque transition this 12 piece set contains the following screwdrivers4 x slotted 25x75mm 4x100mm 55x150mm and 65x150mm2 x pozi pz1x100mm and pz2x125mm3 x phillips ph0x75mm ph1x100mm and ph2x125mm2 x insulated slotted 35x100mm and 55x125mm1 x insulated pozi pz1x100mm