TengTools Screwdriver – Flat Type. Manufactured to DIN 5264. TT-MV PLUS steel, black tips, ergonomically designed bi-material handle with hanging hole. All Teng Tools screwdrivers are designed to have a hole in the handle which can also be used for securing the tool with a fall protection wire if needed. Handle Type: S (96mm x 23mm Ø). Screwdriver Thickness x Width: 0.8 x 4.0mm. Blade Form: Round. Blade Length: 150mm. Overall Length: 246mm. Weight: 38gm.