Wiha 01437 6.0 x 150 Hexagonal Socket Key with Flexible Shaft Key Points Tool Type : Flexi Screwdriver Materials Made Of : Chrome-vanadium steel Flexibly Soft Grip Ergonomic Handle For External Hex Screws And Hex Nuts Full Information A professional grade hex nut driver offering uncompromising levels of quality Socket head is nickel-plated Ergonomic soft finish multi-component handle with roll-off protection Manufactured to all relevant DIN / ISO standards Product Drive type Head Size & Blade Length Part Number Wiha 6.0 x 150 Hexagonal Hex 6.0 mm x 150 mm 01437.