Installing an authentic tin drop ceiling using a grid with lay-in tin ceiling tiles? Our Hold-Down Clips are designed to provide you with a seamless lay-in tin ceiling installation. Budget 4 clips per tile for maximum effectiveness (each box of hold down clips from Shanko contains 125 clips, enough for 50 lay-in tiles. With your tin ceiling installation project coming up, why not also take a look at our helpful tin ceiling installation guides?