SPECIFICATIONS Brand Name: St.kunkka CN: Zhejiang Choice: yes Hign-concerned Chemical: None Item Type: jewelry findings Item Weight: 17 Jewelry Findings Type: Earring Back Material: Metal Metals Type: IRON Model Number: AC0031 Origin: Mainland China Product Features: Earring Backs 100Pcs/Lot Rubber Earring Backs Post Nuts Silicon Steel Earnuts Stud Earring Back for DIY Jewelry Making Findings Accessories Material: RubberSize: 6*11mmPackage including: 100Pcs(Pack)Product weight: 17gFit :Handmade / DIY making earrings The pictures are for reference only, please refer to the size diagram. For more information, please contact the merchant