Description This locking pin back. The pin back is made of solid materials. It is safe and durable. It can serve you for a long time without being easily damaged. It is an excellent locking pin back that can bring you more convenience, allowing you to have a more comfortable experience. Features - Color: As Shown -Material: copper - Size: 1.00X1.00X0.90cm/0.39X0.39X0.35in - Easy to use, no tools required which 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, badges, lapel pin, and jewelry making, etc. - It can be applied to lapel pin, tie tacks, service bars, jewelry making, etc., perfect for diy making. - Good replacement for lost backs badges, name tags, etc., very practical and useful. Easy storage in a portable metal box. Easy to use, no tools required which 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, badges, lapel pin, and jewelry making, etc. It can be applied to lapel pin, tie tacks, service bars, jewelry making, etc., perfect for diy making. Good replacement for lost backs badges, name tags, etc., very practical and useful. Easy storage in a portable metal box.