The Klein Tools 6017INS Insulated 3/16 Cabinet Tip 7 Round Shank Screwdriver is 1000V Rated for safety. It has a durable, two layer, molded insulation to meet or exceed all ASTM and IEC standards for insulated tools. It is constructed from custom US made tool steel. It has a Cushion Grip handle for superior torque and comfort. Klein Tools makes over 3,000 products, has 7 manufacturing plants in the U.S. and manufactures the majority of those products in the U.S. The Klein family has been committed to manufacturing the highest quality hand tools with unmatched durability and comfort for over 155 years.