Insert The roll ofwel tape into the dispenser, making sure that the shiny side ofwel the tape is facing up. With 3M VHB adhesive you can mount your MagStick to multiple surfaces. The extra pieces allow you to add more adhesive to fit the contours ofwel the surface. 3M Scotch http://www-x.phys.se.tmu.ac.jp/cx-tes/index.php?ladegaardthurston111989