Wiha's Insulated SlimLine Ultra-Driver Blade Set features an ergonomic cushion grip for comfort, control, and maximum torque. The dual durometer construction delivers long-lasting durability, and the handle is directly molded to the blade holder for a permanent bond. Our innovative pop-up design puts more driver configurations in one compact tool by storing up to 6 SlimLine VDE certified insulated blades. Simply engage the push-button release to access the blades and rotate the compartment for a quick and easy selection of your required tip profile. The SlimLine VDE certified insulated blades consist of premium quality tool steel for strength and durability, have a black oxide finish for corrosion protection, and feature exact-fit precision machined tips for reduced cam-out. Every single Wiha Insulated tool is individually tested to 10,000 volts AC and rated to 1,000 volts AC (1,500 volts DC) for safety and peace of mind in energized applications. This tool is VDE Certified and meets EN/IEC 60900 testing standards for protection against arc flash explosion, ASTM F1505 standard specifications for insulated and insulating hand tools, for electrical safety on the jobsite, and CSA testing benchmarks for safety and performance. You can buy with confidence knowing that this product is Backed by the Wiha No Hassle Guarantee.