This professional and practical wire crimper tools with self-adjustable crimping pliers feature convenience, efficiency and harmlessness to the cable cores. It is easy to use, just hold the handle and manipulate it once to successfully press tight the wire and terminal blocks. Features: Due to great handle grasping position, light and compact structure and handle design ensure perfect crimping effect. Professional wire crimper tool with self adjustable ratchet mechanism, for easy operation. Applicable to most of non-insulated crimp terminals and connectors. With 4 interchangeable terminals with different crimping ranges. Designed according to human factors engineering, it can save 50% energy when crimping. Specifications: Name: Meterk Model: JX-D4 Material: High-carbon Steel + Alloy Color: Yellow + Black Suitable Terminals & Crimping Range of Wire Crimper: 1. Color Code Nests + Insulated Terminals 24-14 AWG (0.25-2.5mm); 2. Cord End Terminals 24-10 AWG (0.25-6.0mm); 3. Non-insulated Open Barrel Connector 26-16 AWG (0.14-1.5mm); 4. MC4 Solar Connector Terminals 14-10 AWG (2.5-6.0mm). Wire Crimper Size: Approx. 19 * 8 * 2.0cm / 7.48 * 3.15 * 0.79in Wire Crimper Weight: Approx. 348.5g / 12.29oz Package Size: Approx. 28 * 14.5 * 6cm / 11.02 * 5.71 * 2.36in Package Weight: Approx. 712g / 25.13oz Note: Please notice the anastomosis direction of die(JX-1601-08) and terminal when operation, otherwise the die will be burst open. Package List: 1 * Wire Crimper 1 * S2 Screwdiver 1 * Storage Bag 3 * Spare Dies 4 * Screws