Set of 6 precision screwdrivers. for slotted and phillips screws. slotted: 1.6, 2.0, 2.5 and 3.0mm. phillips: ph0 and ph00. oxidized tip for increased accuracy that provides a precise fit. comfortable handle size for precision work. free rotating lid for easy and precise handling. chrome sheet for high protection against corrosion. the plastic structure has a sliding system to easily open and release the tool. in blister