[Material]: The plug adapter is made of high quality alloy, with hardness.and high impact resistance, and can be usedfor a long time.[Function]: The socket adapter can easily replace the drill bit and the socket, with stable clamping force and convenient operation, and can be used for a long time.with power tools.[Package]: You will receive two 1 or 2 square hex socket adapters.1 or 4.[Easy touse]: Installation is very simple and can be done in a minute.You can install the hex handle adapter directly without additional tools.[Application]: The hex handle adapterhex shank can firmly fix any 1 or 4" hex bit, such as drill bit, screwdriver, etc. Note: 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.