Screw Tool Heads Chains Nail Machine Heads Handheld Automatic Screw Spike Electric Automatic Stitching Machine Utility Hardware Tools

Features:
Wide applications: suitable for the ceiling installation, nail box packaging, cabinet installation, woodworking partition walls and so on.
Easy to use: Put the bit into the electric drill and tighten, and then put the machine into the electric drill and tighten, adjust the screw depth to the appropriate and then load the chains belt nail can be used. (electric drill not included)
The length and depth of the screws can be adjusted, with the screw length adjusting knob, counterclockwise is to loose and clockwise is to tighten.
With the screw depth adjusting knob, adjust upward to make the screw shallow, adjust downward to make the screw deep.
Made of fine metal material, has a long service time, you do not need to change it often.