Product dimensions : 148 x 4 x 29 mm (LxWxD) Application : Insert hex inch screws into and remove from boreholes, especially in difficult to access areas. Extra : MagicRing ½ made from spring steel holds all standard screws tight at various angles (available from 1/8″). Extra : The ball end enables the user to work at angles up to 25 ½. Blade : Chrome-vanadium steel, through hardened, chrome-plated. Based on ASME B18.3.
