Blade: chrome vanadium, hexagonal material, SW 4 x 120 mm, full length hardened (HRC 56-58), matt chrome plated, tip black burnished.
For set 4-960 and 4-920: With slim, ergonomically shaped handles made of dissipative synthetics, surface resistance 10^6 - 10^9 ohm, Standards: IEC 61340-5-1. The rotatable centering head guarantees precision. The matt chrome-plated blade, made of high grade chrome molybdenum steel, hardened over its full length.
Especially for applications in electronics BERNSTEIN ESD screwdrivers offer solutions for a wide variety of screw heads.