Jack Richeson Best Key Canvas Tightening System, 4-Pack
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<b>[Product Information]</b><br>
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<li>Ideal for tightening any canvas, old or new</li>
<li>Packs of 4 attached one to each frame corner with screws provided</li>
<li>Canvas tightens in moments using a simple wrench (not provided)</li>
<li>Save hours and preserve your canvas by not restretching</li>
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