FORMUFIT 1-1/4 in. PVC Internal Ball Caps in Gray fit inside a Schedule 40 PVC pipe, leaving a rounded, ball-shaped end. A unique solution to make a distinctive finish for open ends of PVC pipe. All FORMUFIT PVC ball caps have a smooth ball shape, which provides a clean, spherical-like end to PVC pipe segments. PVC Ball Caps give projects and applications a smooth and professional look.