Specifications: The product is a universal flexible shaft connecting rod, it can 360-degree bending and 180-degree swing. Its 6.35mm(1/4") hexagonal shank is connected to the inner hexagonal part of the electric drill. It is suitable for small wrenches/speed adjustable DC hand drill/small torque wind batch, the speed should not be too fast and it can operate 360 degrees without dead angle. This flexible shaft is suitable for working in small spaces, and suitable for working in environments where screwdrivers cannot work in narrow spaces such as computer cases, electrical cabinets, furniture, appliances, etc. Type: Flexible Shaft Bit Material: Plastic, Steel Features: Extension, Flexible, Durable Size: 29.5cm x 0.635cm/11.61" x 0.25" (Approx.) Notes: Due to the light and screen setting difference, the color of item may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Flexible Shaft Bit