Bahco tekno43 series 022 parallel slotted tip round shank screwdriver for slotted head screws the double shape handle allows an optimum grip and maximum torque power the hole in the handle allows the insertion of a t bar for added force transmission and it has a permanent colour codes at both ends of the handle for a quick identification of the tip the blade is made from a high performance alloy steel chrome plated and entirely hardened black finish tip for higher accuracy conforms to iso 2380