Add functional snaps to t-shirts, jeans, jackets, bags, and crafts; excellent quality. Special pliers designed for setting back pieces without having to cut holes in material. Rubber tips help keep studs and backs in place for centering and crimping. Snaps attach with clean finish; 3/16"" (3/8"" OD) non-corroding nickel finish. Includes 108 pieces for 27 complete male/female snaps; extra sets available seperately.