Yes, some Leatherman products are compliant with TSA regulations for carry-on items. The products that meet these specifications include the Tread, Tread LT, Tread Metric, Brewzer, Piranha 2, Style PS, Mako Ti, Grind, Jam, Thruster, Pump, Rail, Rime, and Cam. However, it is important to note that TSA representatives have full discretion over allowable items for the safety of all passengers. Before carrying any Leatherman product on a flight or into any other restricted area, refer to the organization’s published sharp object policy for your own protection. Additionally, international laws may vary, so it is important to check regulations for the specific country you will be traveling to or from. Please also note that Leatherman does not warranty tools that are lost, stolen, or confiscated.