Screwdriver, developed according to the scientific ERGO ™ process. Screwdriver for slotted screws. Handle: Three component handle for maximum user comfort and power transmission. Indelible colour code on both ends of the handle for easy selection of the right screwdriver. Blade: high-alloy quality steel. Chrome plated and fully hardened. Tip burnished. ISO 2380/DIN 5264. With hexagonal blade and bolster for use with wrench.