Likely US only. I can access the page via https://store.google.com/us/product/titan_security_key_kit https://store.google.com/us/product/titan_security_key_kit,

Likely US only. I can access the page via https://store.google.com/us/product/titan_security_key_kit https://store.google.com/us/product/titan_security_key_kit, but ordering would likely require US address.