The “U Cap” is engineered to be a cap that lives up to the UCON Systems standards, durable and tough. This is a steel cap that can be drivenon with a hammer without deforming. The aesthetics give a strong and matching appearance. Fits on the outside of the pipe so no concerns about mis-matched inside diameters. Available in 3 sizes and 2 finishes. See the .PDF for more technical specifications.