This drill bit extension is designed for accessing tight and narrow spaces in various applications.It is constructed from plastic with a steel alloy bit, allowing it to bend, twist, and rotate for easy screwdriver access.Compatible with hand drills and electric drills, it features a 6.35mm (1/4 inch) hexagonal shank.Ideal for use in computer cases, electrical cabinets, furniture, and appliances.Please note that due to monitor differences, colors may vary, and manual measurement can result in a 1-3cm dimension deviation.