What's the proper name for a flat head screwdriver and why?

slot screw driver   Dan slot octavian gratis

Cross slot Self holding screw Driver Set Each Set contain 1 Handle, , 2mm, Self holding Quick Coupling Sleeves Rust free steel used Call Now

TOTAL SLOTTED SCREWDRIVER SL X 125mm Price DOES NOT enclude T VAT category 24% TOTAL; INDUSTRIAL  Slotted screwdriver Full-length, impact proof handle core is coated with soft-grip outer material, hanging hole for extra security and anti-roll handle

vincite slot bar SK Surgicals Plain Single Slot Screw Driver  Product Overview This slotted screwdriver has the classic features of a standard screwdriver with textured TPR grips for a secure hold and a vanadium steel