Connect Voice and Data Network Wiring: Cross-connect other telephone punch-down cabling easily with our punch down block Easy Installation: Fast and easy to install even for non-installers. All you need is a punch down tool and you are good to go Use: The InstallerParts Punch Down Blocks is great for use from landline phone networks, to connecting to PBS systems, to terminating a lot of wires for a lighted walkway or for any similar applications 50 Pairs 66 Wiring Block Dimensions: 10' (L) X 2.5" (W) X 1.5" (H)