Features: High-quality insulating materials are used to ensure safe use and effectively prevent the risk of electric shock. The set contains a variety of specifications, which are suitable for different screw types and meet diverse needs. Essential for electricians, HVAC technicians, and DIYer enthusiasts requiring code compliant tool for precise electrical work and home appliance maintenance. Safely handle circuit breaker installations, outlet repairs, and industrial equipment maintenance across residential, commercial, and automotive applications. Ergonomically designing magnetic bit holders ensure secure fastener engagement, while the color coded storage case enables quick identification and tool organization. Specifications: Component:Steel Size: Approx.200mm/7.87inch Package Includes: 1 Set Insulated Screwdriver Bits note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.