Wera 1578 A Kraftform Micro ESD Safe Precision Slotted Screwdriver Tip width: 4.0mm (5/32") Tip thickness: 0.80mm Blade length: 80mm (3-1/8") Overall length: 177mm Designed to protect components against static electricity (electro-static discharge) The spinning cap and the thin profile areas allow for very rapid twisting, and you won't have to readjust your grip. Hand support on convex/concave cap offers both an easy turning action and comfortable hand rest Wera Black Point tip and hardening process guarantee long service life and increased corrosion protection Anti-roll protection stops screwdrivers from rolling away Manufacturer Part #: 05030107001