Pins and Pin Backs Size: pin is 10 mm in diameter, 9 mm in length, made of nickel-plated brass and rubber pin keepers size is 11 mm in diameter, 7 mm in length, made of PVC rubber
Tight Rubber Pin Back: pvc pin back is tight, not easy to fall off, locking the pins safety in place
Multiple Uses: butterfly pin back sets are used for lapel pins, tie tacks, citation bars, service bars, fix photos, fabrics, cloth, map, scrapbook and so on, great for jewelry making and crafts
Replacement for Lost Pin Backs: these pin clutch backs are necessaries for your uniform, clasp badges, name tags, Insignia and more
50PCS Pins and 50PCS Pin Backs: package includes 50 Pairs pins and pin backs, easy and convenient to use