Klein Tools Insulated Electronics Screwdrivers Are Designed For Precision Work, and Feature A Swivel Cap For Optimum Control. Made Of The Highest Quality Tempered Steel, Carefully Heat-Treated For Maximum Strength, and Precision Machined For Secure Fitment In Fasteners. The Rotating Caps and Klein'S Exclusive Cushion-Grip™ Handles Offer Outstanding Comfort and Control. The Insulated Screwdriver Has 1000V Insulation That Includes Two Tips On One Blade That Exceed Ansi and Astm Standards