Quantity: The package comes with 20 pcs bowknot stud earring findings with loop and 20 pcs ear nuts; sufficient quantity can provide you with multiple use.Size Detail: The earring studs size is about 8~10mm long, 15mm wide, hole: 1mm; pin: 0.7mm; please check the size information before purchasing.High Material: These stud earrings and earring backs are made of brass material, which is lightweight, durable and sturdy, not easy to color fade, safe to wear, can be used for a long time.Application: Earring studs are commonly used for DIY dangle earring making. You can also use them for other dangle craft or home decor. Suitable for your daily wear, holidays, costume party, birthday party, Christmas and other holidays.Great Gift: These bowknot stud earrings post are great accessories to make meaningful jewelry gifts. You can DIY it to give it to the person you like. It's a great gift for birthday, Valentine's Day, party, graduation ceremony, wedding or any other occasion.