Snap Attaching Pliers Fastener Snap Pliers Tool For 9.5mm Prong Ring Snaps Fasteners/Press Studs Design for setting back pieces without having to cut the material rubber tips help to keep the studs and backs in place for centering and crimping This pliers ONLY works with the 9.5mm (3/8") METAL Prong Ring Snap Fasteners Not work for the plastic snaps You will receive 1 snap attaching pliers