Description: The flexible shaft head can be installed with a hexagonal shank bit, which is mainly suitable for computer cases, electrical cabinets, furniture, electrical appliances, other narrow spaces, dead corners and other environments where screwdrivers cannot work. It can be bent arbitrarily at 360 degrees, freely matched with various tools, and has a wide range of uses. Three sizes are easy to choose and can be applied to different scenarios. It is made of high speed steel. Its joint size is 1 or 4 inch, and the joint type is a hexagonal joint. It is suitable for computer cases, electrical cabinets, furniture, electrical appliances, other long space dead ends and other environments where screwdrivers cannot work. Item Name: Universal Flexible Shaft Material:High Speed Steel Type: Standard Size: A: 20cmx1.5cmx1.5cm or 7.87inx0.59inx0.59in B: 25cmx1.5cmx1.5cm or 9.84inx0.59inx0.59in C: 30cmx1.5cmx1.5cm or 11.81inx0.59inx0.59in Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X Universal Flexible Shaft