FORMUFIT 1-1/2 in. External Flat End Caps in Clear fit over the end of PVC pipe, leaving a slightly raised, flat top. 1-1/2" clear PVC End Caps have a smooth, even, and flat surface on the top, which can give a stable foundation to any project. In addition, the clear appearance of flat end caps gives a finished and professional look to projects and applications. An exceptional solution for feet or level ends in PVC projects.