Quality Jewerlry
With body jewelry being sold everywhere from fine jewelry stores to gas stations, it can be hard to separate the...
How does threadless jewelry work?
Threadless jewelry uses tension between the end and the post to stay together. How does it stay together? The removable...
Jewelry Standards
What makes body jewelry "good" body jewelry? What types of materials should I look for? What materials and styles should...
More about the ASTM
About ASTM International Founded in 1898 as the American Chapter of the International Association for Testing and Materials and most...