uxcell Aluminum MXL 20 Teeth 5mmx4.5mm D-Shape Bore 7mm Belt Timing Idler Pulley Wheel
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<b>[Product Information]</b><br>
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<li>Durable and virtually</li>
<li>Made of high quality aluminum, excellently machined</li>
<li>Designed specifically for linear movement</li>
<li>Timing belt system round tooth profile guarantees that the belt tooth fits smoothly</li>
<li>Perfect choice for building a 3D printer or similar projects</li>
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