<br>Feature: <br>Size: <br>Each clutches pin size is approximately 10 mm/ 0.4 inch in diameter, packaged in clear plastic case for neat storage; Small box sizes is approx. 9.5 x 6 x 1.5 cm/ 3.8 x 2.4 x 0.6 inch, big box sizes is approx. 10.5 x 7 x 2 cm/ 4.1 x 2.8 x 0.8 inch. <br> <br>Easy to apply: <br>No tools required, no set screws to loosen, simply push to latch on; Squeeze - pull the small flange on the back and loosen it from the pin post to keep your object in proper position for important moments.  <br> <br>Provide: <br>Whether you need to fashionably secure a cute brooch onto your dress or a don lapel pin, these locking pin keepers offer good protection for your pins and keep them safe and secure. <br> <br>Specifications: <br>Material: quality nickel plated brass <br>Size: 10 mm in diameter <br> <br>Package including: <br>50 x Pin backs replacement <br>1 x Metal box <br> <br>Warm notice: <br>Small parts, please keep away from children to avoid choking.