Leviton 3032-2 30 Amp, 120/277 Volt, Toggle Double-Pole AC Quiet Switch, Extra Heavy Duty Spec Grade, Self Grounding, Back and Side Wired, Brown - Wall Light Switches - Amazon.com
Eaton Cooper Wiring CS220W Double-Pole Switch, 120/277V, 20A, White - City Electric Supply
Toggle Switch - Double Pole - B&C Specialty Products
20 Amp, Decora Plus Rocker Double-Pole AC Quiet Switch, 120/277 Volt, 5622-2 – Leviton
Hubbell 15/20-Amp Double Pole Toggle Light Switch, White in the Light Switches department at Lowes.com
Single Pole vs. Double Pole Switch-Double Pole Switch Wiring-Understand How Double Pole Switch Works - YouTube