1/4" Hex Shank 200mm Length Flexible Extension Screwdriver Bit Product Name : FlexibleExtension Screwdriver Bit;Material : Metal Color : Silver Tone;Shank Dia. : 6mm / 1/4" Fit Hex ScrewdriverDia. : 7mm / 1/4";Total Length : 200mm / 8" Weight : 70g Package Content : 1 x Flexible Extension Screwdriver Bit