For 4, 6, 8 poles modular connector. Suited for network cable with RJ45 Connector and ADSL Cable with RJ11 Connector. The mouth of the press-pliers is made of magnetic steel, which is hard and practical. Features: Portable style with perfect shape. It won& 39;t damage the shelled-wire and works with high efficiency. The mouth of the press-pliers is made of magnetic steel, which is hard and practical. While using press-pliers, just insert the crystal into its position and press it. For 4, 6, 8 poles modular connector. Suited for network cable with RJ45 Connector and ADSL Cable with RJ11 Connector. This Cable Tester is for test of RJ11, RJ12, RJ45, 10/100 Base-T, TIA 568A /568B AT&T 258A, BNC, Cat 5, etc. This device can be separated into two units: Main unit and remote unit. The Remote Unit allows you to test cables installed far away either on patch panel or wall plate with the Auto-Test. Mode and 9 LED indicators for testing each pin. Compact and Light Weight. Specifications: Material: steel Battery: 1 * 9V 300mAh battery(included) Size: 210 * 100 * 30mm / 8.3 * 3.9 * 1.2in Weight: 550g / 1.21lb Package size: 300 * 150 * 50mm / 11.8 * 5.9 * 2.0in Package weight: 628g / 1.38lb Package List: 1 * RJ45 Crimping Tool 1 * Stripper Cutting Tool 10 * Blue RJ45 Connector Boots 1 * Cable 1 * Cable Tester 49 * 8P8C RJ45 Modular Plug