Buy with Confidence: With Monoprice's Lifetime Warranty on all Cables, you can rest assured we stand behind our products and our customers. Small footprint saves space and allows optimum use of valuable rack space. Conveniently numbered and writeable port labels on the front panel. Compatible with both 568A and B standards with easy to read color code diagrams in back. UL Listed, meets cat 6 standards. Takes standard 110 blade punch downs.