NOS pieces though I cannot attest as to whether the adhesive is still good anymore. Boxes dated to 1971. One tape is darker than the other but both are black. The boxes are is very good condition for their age.
Made from high-strength woven cotton, it handles high pressures and intense heat during heavy braking without losing shape or adhesion. The strong adhesive backing ensures a secure fit and quick installation, while the pre-cut valve hole fits both Presta and Schrader valves for universal compatibility.