Features 1、Flexible Work: The flexible drill bit extension simplifies the operation in narrow places where screwdriver is hard to get. 2、Broad Utility: Allows for wide use in the repair and maintenance of computer case, electrical cabinet, furniture and so on. 3、3Pcs in Total: There are 3pcs extension shaft with 200mm, 250mm and 300mm length, which will meet your various work needs. 4、Good Material: Adopting premium high carbon steel material, has a sturdy structure and high hardness, very durable as well. 5、Easy to Install: Standard 1/4in connector enables wide compatibility with a variety of tools, very practical and reliable. Specification Item Type: Flexible Shaft Extension Product Material: High Carbon Steel Length: Approx. 200mm / 7.87in, 250mm / 9.84in, 300mm / 11.81in Interface: Approx. 6.35mm / 0.25in Use Scenario: Suitable for computer case, electrical cabinet, furniture, electrical appliance and other places where screwdrivers are difficult to get. Package List 3 x Flexible Shaft Extension