Description This brooch clutch is necessary parts of your uniform. It is made of high-quality metal material for durable and practical use. They can be applied to all lapel pin, tie tacks, citation bars, service bars and jewelry making, etc. It is suitable for jewelry making and DIY handmade projects. Features - Color: Silver. - Material: Metal. - Size: 1.10X1.10X0.90cm/0.43X0.43X0.35 inch. - 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. Good replacement for lost backs badges, name tags, etc. - These blank pin and clutch back can be applied to tie tacks, lapel pin, badges, service bars, and jewelry making, etc. - The metal material makes it durable and colorfast, giving you an incredibly sturdy and safe experience. - These locking pin backs are very smooth and prevent the skin from getting stuck injury. Package list: 150 sets x pin backs