When Bead Stopper is on the job you can relax and concentrate on beading knowing that your beads won't go flying. No more crying over spilled beads. Simply squeeze and place on your working strand and beads will stay securely in place. Even with tough yanks it will hold your work solidly, but it won't bend or crimp your wire. Bead Stopper is made of tough stainless steel, they'll flex forever and will not rust. Each package includes four bead stoppers that measure approximately 1/4" wide.