Crimp Range AWG 28-16 (0.1-1.5mm). Compatible with JST-XH, Dupont 2.54mm, KF2510, TAB 2.8mm, 3.0mm, and 3.96mm connectors. 4-in-1 Design: Features four different slots on the jaw to accommodate various wire and pin sizes. Precise Workmanship: Utilizes wire electrode cutting technology for accurate and reliable crimping performance. Ratchet Design: Equipped with a ratchet mechanism that reduces required hand force by up to 50%. Simply squeeze the handles and the tool will automatically release after crimping. High-Quality Materials: Constructed from carbon steel and durable ABS plastic, making it suitable for electronic DIY, industrial, and household applications. Product Parameters: Model Number: SN-42B Crimp Size Range: AWG 28-16 (0.1-1.5mm) Length: 190mm Jaw Thickness: 5mm Weight: 420g Material: Carbon steel and ABS plastic How to Use: Step 1: Squeeze the handles slightly to release the ratchet mechanism. Step 2: Select the appropriate crimping slot and insert the terminal. Step 3: Strip the wire and insert it into the terminal. Step 4: Close the handles until the ratchet engages, ensuring a secure crimp. Step 5: Release the handles to complete the crimping process. Package Contents: 1 x Crimping Tool