How to adjust the nail depth of ceiling artifact

How to adjust the nail depth of ceiling artifact? There is a thin iron sheet above the nail gun mouth to adjust the depth.

How to adjust the depth of nails with nail gun? First of all, you have to look at the structure of the nail gun.

The structure of nail gun is mainly air bag, gun needle, gun chamber and nail gun nozzle.

Just at the muzzle of the nail gun, there is a debugging angle iron, which can be loosened with a cross screwdriver, adjusted to a suitable angle and then cut with a screwdriver.