Bahco insulated ergo screwdriver set for slotted phillips and pozidriv head screws the screwdrivers are developed according to the scientific ergo process the 3 component handle provides maximum user comfort and force transmission its easy to choose the right tip with the colour coded handle and the symbol on the domed end the blade is made from high performance alloy steel that is chrome plated and entirely hardened with a black finish tip for higher accuracy conforms to iso 2380 din 5264 siz