About this item1.RJ45 PASS THROUGH CONNECTOR - Work with multi-stranded ,single-stranded and solid cables.This Ethernet ends are available for shielded 23AWG (insulated conductor diameter 1.1 -1.16MM) Cat6, and Cat6A round or flat Ethernet cable.Recommended to cooperate with RJ45 EZ crimp tool.2. EASY TO USE & SAVE TIME Pass through hole RJ45 end allows you to verify the wires sequences before crimping and avoiding wire sequence mismatch. Comparing to traditional non-pass through ,closed end types RJ45 plugs, It's easy to use and save time ,and great for beginners & professionals alike.3. EXCELLENT SHIELDED PERFORMANCE Metal-shielded shell eliminate cross-talk and prevents electromagnetic interference (EMI) that be caused by nearby power lines or appliances .Great for 23AWG Shielded and direct-burial waterproof cables4. GOOD PERFORMANCE Adopting 3 prong Gold plated contacts ,stronger antioxidant performance and the contacts are closely attached to core and connection is more stable.5. WHAT YOU GET a jar of 50/100 pieces pass-through ethernet connectors