uxcell Office Chair M6 x 15mm Grip Ring Stem Swivel Twin Wheel Caster 20pcs
</br></br>
<div style="text-align:left">
<b>[Product Information]</b><br>
<ul>
<li>Battery Included: No; Material: Plastic, Metal; Package Content: 20 x Grip Ring Stem Caster Wheel</li>
<li>Product Name: Grip Ring Stem Caster Wheel; Weight: 502g</li>
<li>Features: Swivel; Main Color: Black</li>
<li>Overall Size: 35 x 32 x 53mm/1.4" x 1.3" x 2" (L*W*H); Wheel Size: 29 x 9mm/1.1" x 0.35"(D*T)</li>
<li>Stem Diameter: 6mm / M6; Stem Height: 15mm</li>
</ul>
</div>
</br></br></br></br></br></br></br></br></br></br>

</br></br></br></br></br></br></br></br></br></br>
<img src='http://ecx.images-amazon.com/images/I/41in0-UzkaL.jpg'></br>