Competition Starting Block
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<b>[Product Information]</b><br>
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<li>Constructed of all steel components</li>
<li>Has a spring-loaded plunger for easy pedal adjustment and secure locking</li>
<li>Designed for use on a types of tracks, it includes multi-surface spikes and spike wrench.</li>
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<img src='http://ecx.images-amazon.com/images/I/41tlwEhCG7L.jpg' noproxy></br>