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 reduces required hand force by up to 50%. Simply squeeze the handles and the tool will automatically release after crimping. Constructed from carbon steel and durable ABS plastic, 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