The wera 20 piece kraftform kompakt micro esd screwdriver set are indispensible for use on integrated circuits ics where electrostatic discharge can cause them to malfunction or fail completely however ics malfunction or fail completely when exposed to electrostatic energy fields this makes esd safe screwdrivers indispensable contains 1 x kraftform micros esd safe bitholding screwdriver3 x 44mm slotted bits 023x15mm 040x20mm 050x30mm3 x 44mm phillips bits ph00 ph0 ph16 x 44mm torx bits tx1 tx2 t