Uxcell a15030600ux0043 Black 1/4" Hex Shank 300mm Flexible Extension Screwdriver Bit Product Name : Flexible Extension Screwdriver Bit; Material : Plastic , Metal Color : Black , Silver Tone; Shank Dia. : 6.4mm / 1/4" Fit Hex Screwdriver Dia. : 6.5mm / 1/4"; Total Length : 300mm / 12" Weight : 80g Package Content : 1 x Flexible Extension Screwdriver Bit