Magnetic Floor Target Plate Card features positioning hole design, feel comfortable to use Magnetic Floor Target Plate will enhance the visibility of lines or dots Target Plate Card is fixed in many ways, the magnet is conveniently connected to the metal stud, the hole is hooked, and the rear bracket is folded to keep it upright and stable on the floor This Target Card increments in inches and centimeters, easy to read scales, the center of the inch and centimeter marks is zero Magnetic Floor Targets working at long distances or under bright sunlight, the special reflective target film can increase the visibility of the red line or dot by 1.3 times