Vigor V2091 Hexagon Socket Screwdriver Bit, 10 mm, L 200 1/2"

Hexagon Socket Screwdriver Bit With Drive: Square 12.5 mm (1/2 Inch) And Spanner Size S1Xs2: 10 mm Designed And Tested To Reach Studs In Difficult Work Areas Heat Treated For The Correct Balance Of Strength And Hardness