Bernstein Tri Wing Screwdrivers with Dissipative Handle - Bernstein 6-645, This ESD screwdriver from Bernstein has a special square pattern handle made from impact resistant black plastic and a Tri Wing size TW 4 blade.
These screwdrivers are suitable for use on special screws in electronic equipment including some phone chargers.
Bernstein 6-645 Tri Wing Screwdriver TW 4 With Dissipative Handle