Ifasten Square Driver Bit Size 2 X 25Mm 2 Pp

A square bit is a system used to turn a screw. At a minimum; it is a set of shaped cavities and protrusions on the screw head that allows torque to be applied to it. Usually it also involves a mating tool; such as a screwdriver that is used to turn it. The nr 2 size bit is suitable for use with screw sizes of 4.0mm – 5.0mm