Klein tools interchangeable insulated screwdriver set includes an insulated handle and 5 interchangeable insulated blades for quick changes on the job. The auto-eject mechanism works with just a twist, allowing you to change or flip blades simply and easily. A bright orange coating of insulation protects from electrical shock, as well as being flame and impact-resistant. Klein insulated tools exceed the ASTM F1505 standards for insulated tools and are clearly marked with the official 1000 V rating symbol. The set of five Phillips , square and slotted slim tip blades come in a protective roll pouch, making this the perfect set for your tool bag.