Wera 1569 Kraftform Micro ESD Safe Precision Nutdriver Tip size: 5.5mm Blade length: 60mm (2-3/8") Overall length: 157mm 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 wont 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 #: 05030151001