This is a 50 pack of RJ12 connectors for 6 Conductor, Solid Wire, Round Phone Cables. Purchase these if you are crimping your own cables. 6 conductor type with clear housing and created to work with solid wire round cables.RJ12 connectors for 6 Conductor Solid Wire Round Phone Cables. Crimp on RJ12 connectors. 6 conductor type. Clear plastic housing. For Solid wire round cables. Monoprice continually strives to improve its product line to bring our customers the best products available. Therefore changes may be made to listed specifications without prior notice. Item received may not match photo or specs shown.