PandaHall Elite 100 Pcs 304 Stainless Steel Butterfly Earnut 5x3.5x2mm Stud Findings Size: about 3.5mm wide, 5mm long, 2mm thick, hole: 1mm. Whether you are making earrings, or you have lost the backs to your favorite pair, these best-quality stainless steel ear-nuts are just what you've been looking for Learn simple and exciting techniques to make jewelry just like you see in department stores, affordable way for DIY to get great style. PandaHall Elite logo plastic bag set is included, also help you easy to store the small tiny items. Note: the picture shown is a representation of the item, you'll receive from the actual size items. Picture may appear larger on your screen. Color may vary slightly due to the color setting of each individual monitor. Please double check the sizes before purchasing.