Proform 66766 Blue Adjustable Piston Ring Compressor
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<b>[Product Information]</b><br>
<ul>
<li>Used for increasing the pressure and density of gas</li>
<li>Friction type brakes to hold the rings</li>
<li>Highly reliable</li>
<li>Used extensively</li>
<li>Easily installed</li>
</ul>
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