66 block adapter, single quick clip. 1 Clip Adapter is a 1 clip tin plated bronze terminal encased in plastic. Installed on every row and side by side on a 66-type connecting block, providing additional connections without interfering with already connected wires Provides positive insulation from one row of connectors to the adjacent row Cannot be used as a bridging clip Sold in Packages of 2, 5, and 10 Adapters