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<h3>Key features</h3><ul> <li>Size / Shaft Diameter :12mm. Fit for 12mm SBR12 Linear Guide Rail.</li> <li>Made of aluminum alloy and bearing steel.</li> <li>Includes :4 Pack</li> <li>Main application: Working with SBR12 linear rails.</li> <li>Perfect for CNC Machine Parts ,Router Linear rails, mills, and DIY.</li> </ul><p>Size / Shaft Diameter :12mm</p><p>Free shipping included. 30-day hassle-free returns.</p>
The catalog often lists the same model at several merchants — worth a price check before you buy.