IC110 Kit, Hinged 100 Pair - The IC110 hinged kit provides the connecting blocks needed to terminate all the pairs on the wiring block, and allows rapid, easy cable routing and installation. Hinged Block allows Total Access to Cabling Even After the Block is mounted. The 100 pair IC110 hinged system kit includes: Twenty 4-pair, four 5- pair connecting blocks, and one 100-pair wiring block