Multi-Modular RJ45 Crimper The Ethernet Crimper is ideal for stripping, cutting, crimping CAT5 CAT5e, CAT6, CAT6A, CAT7 cable and RJ11/RJ12 standard and Pass Through RJ45 connectors with dovetail clip; Crimping Shield Cable Function This Pass through rj45 crimp tool is suitable for both shielded and unshield modular plugs, especially for pass through modular plugs with metal dovetail clips; Network Cable Tester We upgraded cable tester, which is not only more durability, but also the test range can reach up to 300M, the Network Cable Tester for cables with RJ45/RJ11/RJ12 conectors (9V battery not included); Compact design compact, non-slip comfort grip reduces hand fatigue one-handed operation for easy storage, precision crimping dies and blades provide long-lasting tools for faster, more reliable cutting, stripping and crimping; Kit included Use' s manual, RJ45 pass through crimp tool, 50PCS cat6 connector, 50PCS boots, network cable tester, mini wire stripper