40Pcs Earring Posts: Come with 40pcs wood earring studs with 100pcs ear nuts, so you don't have to buy extra. The sufficient quantity can meet your different needs, making it very suitable for manual diy production Blank Tray Earring Stud: There is a tray on wood stud earring blanks, and you can apply glue to the tray and stick your favorite gemstones, beads, sequins, and other decorations to create a unique earring decoration Size and Content: Cabochon stud earring blanks: 13mm(0.51in) in diameter, 5mm(0.2in) thick, 10mm(0.39in) inner diameter, pin: 0.8mm(0.03in). Plastic ear nuts: 6 x 5 x 4mm(0.24 x 0.2 x 0.16in), hole: 0.5mm(0.02in). Come with 1pc plastic box Premium Material: The earring post is made of wood, the pins are made of stainless steel and the ear nuts are made of plastic. The surface of the wood earring studs are smooth, not easy to break or fade, not easy to rust, and durable Great Gifts: You can use cabochon stud earring blanks to make unique earrings and give them to family and friends on holidays such as Christmas, Thanksgiving, Valentine's Day, Halloween, New Year, birthdays, etc