STC-5.38 STIFFY

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Stiffy heavy duty tube coupler stiffiners feature a deep spirsl groove for maximum epoxy adhesion. These super heavy duty wall stiffiners are designed to be epoxied inside of our s tandard tube couplers to greaty increase their lateral strength. Snapping off a payload at the joint under high speed stress (as occurrs when flying at or near Mach speeds) is not a worry when you fly with a Stiffy. NOTE: TC-5.38 is REQUIRED to use this device. Show more