ALL IN ONE RJ45 CRIMP TOOL KIT: This network maintenance tool set includes a RJ45 crimping tool, a multifunction network cable tester, 100 pcs RJ45 Cat5 connectors, 20 pcs connector covers, and a network wire stripper. STURDY NETWORK CRIMPER FOR DAILY USE: This 3-in-1 tool features crimping, cutting, and stripping functions. It works with RJ45, RJ11, and RJ12 connectors and is compatible with Cat5 and Cat5e cables using 8P8C, 6P4C, and 4P2C plugs. (Note: This tool does not support pass-through RJ45 connectors.) MULTI-FUNCTION CABLE TESTER: Designed for testing telephone and network cables including RJ11, RJ12, RJ45, CAT5, CAT5e, 10/100BaseT, TIA-568A/568B, and AT&T 258-A. Features 9 LED indicators for wires 1 through 8 and ground. Requires one 9V battery (not included). HIGH QUALITY RJ45 CAT5 CONNECTORS: Includes 100 standard RJ45 connectors (not pass-through type) made from high-quality materials to support reliable signal transmission. CONNECTOR COVERS: Includes 20 durable connector covers compatible with Cat5 and Cat6 connectors. Helps protect connectors from dust and moisture to maintain secure connections. Color: As shown Material: Composite material Package Contents: 1 x Crimping pliers 1 x Wire stripper 1 x Network cable tester 100 x RJ45 crystal connectors 20 x Connector covers Only the items listed above are included; other accessories are not part of this package. Note: Lighting and display settings may cause slight variations in color between the image and the actual product. Measurement may vary by +/- 1-3 cm.