Description: Material: Iron metal Pin Length: Approx. 20mm Plate Width: Approx. 5mm Rolling lock on the pin to prevent opening easily,Two -hole plate for gluing, resining or sewing fixing Great additions for your custom brooch, pin, badge or any other craft project that requires a pin Package Includes: 50 Pieces Brooch Backs Note: Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Meanwhile, please be reminded that due to lighting effects, monitor's brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item