Flexible PVC Caps are quick and easy to install, fitting snugly without splitting or cracking. The Caps provide some insulation properties, and resist weather, moisture and chemicals. Can be used for end Caps on hoses, tubing, vacuum line, or any small diameter items needing a protective or decorative end covering. Set includes ID sizes: 1/8", 3/16", 1/4", 5/16" and 3/8".