Facom Protwist Screwdriver Slotted 3.5mm x 75mm FCMAN35X75 The Facom AN Protwist® screwdrivers for slotted heads have extra-long round blades for increased accessibility. The blade is forged from matt chrome, with a hardened black tip for extra durability.Tip dimensions: 0.6 x 3.5mm. Blade Length: 75mm. Overall Length: 178mm. Weight: 41g. FCMAN35X75