！！！！The screw post is longer and bigger than normal studs. Post length: 1cm; Diameter:0.9cm; Some people’s pierced ears are too small to wear. Please think carefully before buying. Thank you for your understanding. 【SIZE OF EARRINGS】Round cut/square cut cz stud earrings for men, 925 sterling silver screw back earrings for women. Available sizes 4mm 5mm 6mm 7mm 8mm. They bear solid 4 prongs basket made from solid 925 sterling silver to embrace cubic zirconia with safety and in style. 【CZ STUDS MATERIAL】Fashion screw back stud earrings for women. Men's stud earrings made by 925 sterling silver. Quality cubic zrconia stud earrings is Nickel Free, Hypoallergenic silver earrings for almost sensitive ears. Round cut cubic zirconia stud earrings 【SECURE SCREW BACK】CZ stud earrings with secure Screw Backs. For making earrings more stable and secure, we use new earrings back instead of normal one. 925 Sterling silver earring backs, adjustable hypoallergenic earring stoppers earrings screw back for earring lock. 【FOR ANY OCCASIONS】If you are looking for daily earrings, you can choose our quality cubic zirconia stud earrings. Cz stud earrings for unisex. Sparking stud earrings are suitable for all occasions.