Klik-thread serts are essentially a blind rivet with internal threads, great for adding an anchor point for fasteners in material that can only accessed on one side. Klik-thread serts are unique in that they offer an unlimited gripping range and the "taper-lock" principle locks the Nutsert in place. Can be used in steel, fiberglass, fiberboard, plastic, and wood. Nutserts are pulled with a a thread setting tool, similar to a rivet gun.