Any Victorinox 58mm SAK with Cellidor (plastic) scales: Classic SD, Rally, Jetsetter, Rambler, Manager, Midnite Manager, and MiniChamp. Not compatible with Alox (aluminum) models. Quick rule: if the sides are smooth plastic, you're compatible.
Don't own one yet? The Classic SD is the most popular and widely available model, and a great place to start.
Oct 23, 2026