Bernstein torx screwdrivers with esd handles bernstein 6 663 l this electrostatic discharging t 7 torx screwdriver from bernstein has a slim ergonomically designed handle made from conductive black plastic and a swivel top which makes precision work easy and effort free this screwdriver has a bore hole in the tip bernstein 6 663 l torx screwdriver t 7 with esd handle 50mm