The Milwaukee MILM12SI2 cordless soldering iron weighs just over two kilograms and runs on a 12 V Li‑ion pack, delivering up to 400 °C for precise work. Its slim, ergonomic tip allows tight access in confined spaces, while the built‑in charger keeps the battery ready for extended sessions. The compact design fits neatly into any toolbox, making it ideal for quick field repairs or detailed prototyping tasks.