Pin Keepers Locking Clasp is suitable for badges, pin, name tags, display books, bags, lanyards, vests, hats, hats, badges, collectibles, pin locks, etc. You can fix any badge on your luggage, clothes or jeans. You will have a good use experience because of the perfect workmanship of this product. Features -Color:Silver -Material:Copper -Size:1.00X0.70X0.70cm/0.39X0.28X0.28in -Easy to use, no tools required, allows you to install and remove it easily, handy and convenient for use. -They are good supplies for making DIY crafts. The pin back is tight and not easy to fall off. -These clutch back can be applied to tie tacks, lapel pin, badges, service bars, and jewelry making, etc. -It can be applied to lapel pin, tie tacks, service bars, jewelry making, etc., which is perfect for crafts making. -Good replacement for lost backs badges, name tags, etc., very practical and convenient to use. Package list: 25 x Brooch Pin Backs