- Material: Flexible drill bit extension made of high quality plastic and steel alloy hexagon, with high processing accuracy. - Size and compatibility: The connection part of the hexagonal bit is 6.35 mm (1/4 inch); the internal hex connector is 6.35 mm (1/4 inch). - Easy to use: Universal in any direction, allows you to reach difficult places for easier and quicker work. Compact size for easy storage in your toolbox or pocket. - Performance and versatility: The flexible drill bit extension can be used with ordinary hand drills and power drills with excellent performance. It can be bent, twisted, turned, and used in narrow spaces. - Use scenarios: - Installing screws in tight corners of furniture, cabinets, or behind appliances. - Assembling furniture or mounting hardware in restricted spaces. - Maintenance tasks in confined areas behind shelves, under sinks, or between studs.