You name it, suction cups are great. Attach all types of items for temporary use. Reduce the need to bolt items to the glovebox permanently. Can hold from 15 lbs to 175 lbs. Place a vice in a spot temporarily and then move it out of the way when you finish. Indicator line let's you know know when suction cup is secure. Hang shelving, magnetic bars for tools, magnifiers, lights, inside and outside of the glovebox. Excellent for window changes.