A twin pack of bifold shower door snap pins, these help to keep the door closed whilst in use and are a common failure point, easily replaced (following the instructions in the last picture in the listing) by removing an Allen key screw and loosening the retaining grub screw. The last picture in the listing shows how these fit into the original hinge and how to adjust them correctly, if you don’t follow the instructions they tend to shatter themselves the very first time you close the door ????,if you need a different type to the ones shown message me through eBay and I’ll get back to you as soon as I can