This nine piece screwdriver set features assorted Klein's screwdrivers with three sizes of each tip style. Each are individually tested to exceed the IEC 60900 and ASTM F1505 standards for insulated tools. Two layers of insulation provide protection against electric shock. The highly durable, black nylon case features a zipper enclosure, custom-fitted tool pockets as well as an extra pocket for storage of papers and other items. Made in the USA.