Each bit measure 65/110/150mm in length, providing balanced of strength for various tasks Ideal for enthusiasts and technicians who require for their projects Selected from steel resist stripping standard bits, perfect for demanding electrical maintenance tasks install wall outlets or repair circuit panels in tight spaces using this universally compatible tool that works with manual/electronic driver Perfect for use in automotive repairs, furniture assembly, and electronic maintenance, ensuring you have the right tool for every job, Manufacturer: BULAIDAI