PrecisionBit, shape E 6.3 (1/4″) according to DIN ISO 1173, long blade, 3-piece set in self-service packaging for Phillips screws universal bit for all screw applications in industry and for trade screw applications, can be used manually and with machines long blade reaches hard-to-access places precise, true-to-size tips, optimal fit in the screw heads color-coded by screw type so that you have the right bit, quickly at hand durability and hardness are optimally balanced thus ensuring an extremメーカー公称