Features: Selected from steel resist stripping standard bits, perfect for demanding electrical maintenance tasks. Designed for professional electrician and technician requiring reliable magnetic screwdriver sets for frequent use in complex electrical environment. Each bit measure 65/110/150mm in length, providing balance of strength for various tasks. Ideal for enthusiasts and technicians who require for their projects. Perfect for use in automotive repairs, furniture assembly, and electronic maintenance, ensuring you have the right tool for every job. Effortlessly install wall outlets or repair circuit panels in tight spaces using this universally compatible tool that works with manual/electronic drivers. Specifications: Component: Steel Size:65mm/110mm/150mm Package Includes: 1Pc Drill Bit note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.