This box contains a variety of iron jump rings in mixed sizes, ideal for various jewelry-making projects. The jump rings are silver color plated and come in approximately 1600 pieces per box.
The sizes range from 4mm to 10mm in diameter and 0.7mm to 1mm in thickness, with an inner diameter of about 2.6mm to 8mm. The packaging box measures 8x2cm, making it convenient for storage and organization.