The WIRC5ECMRGRY Cat5e 350MHz Solid UTP Cable (Gray) is CMR rated for use in walls conduit ceilings etc. and is packaged as a 1000-foot bulk roll. The cable features a gray PVC jacket which provides both flexibility and durability while making it easier to color code network cable connections.&lt;br /&gt;&lt;br /&gt;Backed by StarTech.com&#39;s Lifetime Warranty.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;The StarTech.com Advantage&lt;/b&gt;&lt;br /&gt;- Rated to 350Mhz which exceeds Cat 5e standards&lt;br /&gt;- Enjoy the low cost savings of buying bulk&lt;br /&gt;- Convenient measurement of cable runs