Here are the detailed specifications of the Gem:
product information
Red copper (P10000 stone wash)
Length*width*height: 45MM*28MM*14.5MM
Weight: 111G
Stainless Steel (P10000 Stonewashed)
Length*width*height: 45MM*28MM*14.5MM
Weight: 99G
Titanium alloy (P10000 stone wash)
Length*width*height: 45MM*28MM*14.5MM
Weight: 58G
Zirconium alloy (polished)
Length*width*height: 45MM*28MM*14.5MM
Weight: 83G
Zirconium Alloy (High Precision Stone Washing)
Length*width*height: 45MM*28MM*14.5MM
Weight: 83G