https://www.leatherman.com/CustomerService-Warranty.htmlLooks like your friend will have to fill out this contact form to get the require info to get a warranty return#.There is also this contact us webpage:https://www.leatherman.com/CustomerService-ContactUs.htmlSorry this wasn't much help but it looks like you (or your friend in the states) have to send in your info before they say where to send the tool.-Wes.
Hey plowjockey1,it's whitby & co for us.I did use them twice and they simply exchanged my Surge, Wave and Rebar to a new one.Details are here...https://www.leatherman.co.uk/support-warranty.html