Check the listing for details. Huge Lot 48 Sets Flat Ear Post With/ Nut Surgical. Condition: New with packaging, Made in Taiwan. Listed at 11.95 USD. This product is a lot of 48 sets of flat ear posts with nuts, made from surgical steel. The closure is a stud, and the origin is Taiwan. These earrings are designed for use in jewelry making and are meant to be attached to the earlobe securely. The surgical steel material ensures durability and hypoallergenic properties, making them suitable for a variety of individuals with sensitive ears. Ideal for creating unique and stylish jewelry pieces. These are not brass they are surgical steel. These are 6mm.