The Monoprice 7272 includes 50 pieces of RJ12 connectors for Stranded cables. Use these 6P6C plugs to crimp the end of your RJ-12 patch cables. Every connector has six pins, all with gold plating for low-loss connections. Designed for use with round phone cables. Crimp on type for RJ12 creation.RJ12 connectors for 6 Conductor Stranded Wire Round Phone Cables. Crimp on RJ12 connectors. 6 conductor type. Clear plastic housing. For Stranded 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.