A 66 block is a punch down block containing rows of four IDC style clips. It is used for terminating 22-26 AWG solid copper cross-connect station wiring for many types of phone systems. Bridge clips are required to complete the circuit between the left and right side of the 66 block.

* Dimensions: 10' (L) x 2.5" (W) x 1.5" (H) * 50 pairs 66 wiring block