> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://support.7kmetals.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Is signature required on all shipments?

We require a signature on all packages that are over $500usd. Orders less than this may optionally add the signature required for an additional fee.