Single-Size Test-Ball Plugs Features: <ul style="margin-top:0px; padding-top: 5px; padding-bottom: 5px;"> <li> Made of natural rubber for excellent expansion and memory.</li> <li> Seals both round and out-of-round pipe.</li> <li> Zinc-plated steel chain and ring handle acts as an anchor to prevent plug from sliding down a line.</li> <li> Fits easily through test tees, sanitary tees, floor drains, and other tight situations.</li> <li> Broader expansion range than mechanical plugs.</li></ul>

Cherne 270040 4&quot; Test-Ball Plug 13 PSI, 30 FT