The Vertical Cable 352 Series CAT6 V-Max Keystone Jack is an unshielded, punch-down keystone jack in blue, sold in a 25-pack. 8-position, 8-conductor (8P8C). T568A/B wiring. Fits SignaMax and Leviton keystone faceplates. Lifetime warranty. Dimensions (single): 0.78 in. H x 0.67 in. W x 1.22 in. D.