28398 19 Piece Insulated Softfinish Slimline Blade Set. Individually tested to 10,000 volts AC and rated to 1,000 volts AC for safety and peace of mind. Integrated Slim Insulation Molded directly onto the blade. Achieves blade diameters up to 33% narrower utilizing integrated insulation. Standard 1/4 hex drive for universal application. Wiha 28398 Insulated SlimLine Blade Set, 19 Piece. 1 x 1 x 1 inches. Insulated SlimLine Blade Set, 19 Piece. Engineered premium quality tool steel. Item Package Dimensions L x W x H. 12.64 x 9.29 x 2.01 inches. Product Dimensions: 9.29 inches x 12.64 inches x 2.01 inches. Weight: 0.64 lb. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. Your satisfaction is guaranteed! All of our items, unless otherwise stated, will only run on 120 volts. Please check to make sure your country complies with these specifications. We will work with you to resolve any problem you may have.