Crimp RangeAWG 28-16 (0.1-1.5mm). Can be used for JST-XH, Dupont 2.54mm, KF2510, TAB 2.8mm 3.0mm 3.96mm connectors etc. 4 in 1There are four different slots on the jaw of this crimping tool to accommodate different sizes of wires/pins. Precise WorkmanshipThe crimping tool adopts wire electrode cutting technology. This can make the crimping effect more perfect and precise. Ratchet DesignThis crimping tool adopts ratchet mechanism design, which can save 50% of the force when crimping. Slightly press the handle inwards and the handle will be released automatically. High Quality MaterialsThe crimping tool is made of carbon steel and high quality ABS. It's your right hand for DIY electronic, industrial and household jobs. Product parameters: Model Number: SN-42B Crimp size range: AWG 28-16 (0.1-1.5mm) Length: 190mm Jaw thickness: 5 mm Weight: 420g Material: Carbon steel and ABS plastic How to use it? Step 1: Slightly press the handle inwards and the handle will be released automatically. Step 2: Select the appropriate location and place the pin in one of the four locations. Step 3: Strip the wire and plug it into the header. Step 4: Slightly tighten the tool until the ratchet engages and grasp the connector. Step 5: Release the handle and you will have a perfectly crimped wire with a secure pin on the end Package Contents: 1x crimping tool