- Match Black Box fiber cable to your company, team, or school colors for that special networking application. - Choose from four cores: 62.5-, 50-, 10-GbE laser-optimized 50-micron multimode, and 9-micron single-mode cable. - Get the connectors you want: ST, SC, LC, and MT-RJ in 10 different combinations. - Choose from 12 different colors. - Select from 13 lengths ranging from 1 to 30 meters. - Guaranteed for life!