Professionals and DIYers everywhere rely on the quality of Amflo, Camel and Tru-Flate tire gauges, blow guns, tire hardware & air line hoses, reels, chucks, couplers, plugs, regulators, tire repair and tire hardware. Tru-Flate packaging combines color, eye-catching graphics and essential "how to use" information for added value to customers. Tru-Flate displays are versatile, with interchangeable headers, moveable hooks and pre-printed back-up cards. Couplers & Plugs. Most Popular Sizes Of Tru-Flate, Lincoln, I/M, And Aro Couplers/Plugs.