DE0730G-Green-Laser-Target-Card-DEWALT-DE0730G-XJ-p-The-DEWALT-DE0730G-Green-Laser-Target-Card-has-a-magnetic-base-for-attaching-to-ceiling-grid-or-steel-studs-p-p-For-use-in-drop-ceiling-installation-and-steel-stud-layout-Helps-to-enhance-laser-beam-visibility-for-easy-location-of-the-laser-p-p-For-use-with-green-beam-lasers-p-DEWALT-DE0730G-Green-Laser-Target-Card