***ABOUT THE HOLR SIZE OF EARRING BACKS: 0.7mm, fits most ear studs. The first time you use it, pls split two buckles out a bit, and then it will be easy to use***Some review say this earring backs are small, If enlarge the hole for 1-2mm or more, it will easier to use for the first time, but for the second time and the third time, ear studs will fall out easily 12pcs/6 pairs 925 Sterling Silver Earring Backs Replacement Secure Ear Locking for Stud Earrings Ear Nut for Posts, 5x6mm Package include: 12pcs/6 pairs 925 Sterling Silver Earring Backs Size: 5mm*6mm, This butterfly earring back size fits for most standard earrings posts. Easy to put on and off Great Earring Findings, They do not make as much contact with ear like bigger backings and not cause any irritation Don’t worry about losing the back of your earring ever again with this set of butterfly earrings backs. This set is economical for replacing the missing backing or have a few as back up Butterfly earring backs is the best choice of DIY earring lovers, it is excellent for earring back replacement, earring making posts, earring backs, earring making supplies, earring repairing, earring making and earring replacement backs

Butterfly earring backs is the best choice of DIY earring lovers, it is excellent for earring back replacement, earring making posts, earring backs, earring making supplies, earring repairing, earring making and earring replacement backs. Don’t worry about losing the back of your earring ever again with this set of butterfly earrings backs. This set is economical for replacing the missing backing or have a few as back up. Great Earring Findings, They do not make as much contact with ear like bigger backings and not cause any irritation. Size: 5mm*6mm, This butterfly earring back size fits for most standard earrings posts. Easy to put on and off. ***ABOUT THE HOLR SIZE OF EARRING BACKS: 0.7mm, fits most ear studs. The first time you use it, pls split two buckles out a bit, and then it will be easy to use***Some review say this earring backs are small, If enlarge the hole for 1-2mm or more, it will easier to use for the first time, but for the second time and the third time, ear studs will fall out easily.

Number of Pieces: 12. Brand: monochef. Style: Stud. Color: Silver. Material: Sterling Silver. Date First Available: April 6, 2018. Is Discontinued By Manufacturer: No. Best Sellers Rank: #6,778 in Arts, Crafts & Sewing. Customer Reviews: 4.4 out of 5 stars 5,248 ratings 4.4 out of 5 stars. Item model number: EABK-AC. Country of Origin: China. : B07TBK5F1S. Manufacturer: monochef. Item Weight: 0.176 ounces. Package Dimensions: 2.28 x 1.54 x 0.16 inches.