Origin: China Price: To Talk About Payment Method: T/T Quantity: 100Pcs Pack. & Delivery: As You Wish Specification: This 66 Connecting Block enables you to quickly interconnect phone lines and communication cable. Simply place the unstripped wire on the 66 Connecting Block clip and press down with punch down tool (sold separately). The tool automatically puts wire in place and trims off. The 66 Connecting Block accepts 22 to 26-gauge wire. 66 Connecting Block: 50 rows of 4 clips. Each row has common conductor. 25-pair M block contains 50 rows, each with a single clip having four slots. Incoming cable pairs ("tip" and "ring") are connected by terminating "tip" on the leftmost slot of one row and "ring" on the leftmost slot of the next lower row. The three remaining slots in each clip are available for cross-connects. Dimensions: 10"H x 3.31"W x 1.19"D.