Decotacks 1in (25MM) Colorful High Dome Crystal Upholstery Nails, 10 PCS/BOX [DXC0925US] 10 pcs/box, High Quality Items, Made by High Grade Acrylic Diamonds (Imported from Korea or Taiwan) No Glue Used!!! Strong Mechanical Connection Between Diamond and Base Never get scratched, always stay bright & beautiful !!! Use Needle Nose Pliers to Catch Nails and Hit them by Soft Face Hammers or Rubber Mallets No need any prefix hole - Fast & Easy Apllication, your Upholster will like it!