People who wear glasses are are always needing extra pieces. This kit by BOUBADE is perfect, it has a lot of pieces that you need for your glasses and then some. I love the variety that you get. Plus you get a screw driver set, tweezers and a cute little key chain that makes into a small screw driver. This kit gives you 1000 pieces which includes screws, screw nuts, cap and washers. This kit lets you have enough pieces to not only fix your glasses but other small items such as watches, cell phones, computers and many other items. You get a lifetime warranty with your purchase.