Automatic screw spikes chain drill screw chain adapter screw depth through turn up or down the wheel Upward for shallower screw and downward for screw The screw length of screw drill chain adapter can be adjusted The screws of different lengths need to be adjusted by selecting the corresponding nozzle length rotation button Fast and continuous nail feeding, easy to operate lightweight design, exquisite appearance, and easy to use Suitable for ceiling installation, thin-layer wood, cardboard, cabinet installation, design, fence, board interior decoration, handicrafts The automatic screw chain adapter is installed on electric drills, it can be used for home ceilings, kitchen cabinets, Practical and, you can rest assured to buy and use, Manufacturer: Msioytog