The C245 cartridge range is the widest one of JBC with many shapes, sizes and special models. They are appropriate for general soldering purposes and they are perfect for both SMD components or for applications with high power requirements such as ground plane soldering. They work with T245 handpieces and JBC long life tips offer instant heat up, excellent heat transfer and great durability. It last 5 times longer than other brands thanks to the JBC most efficient soldering system and the sleep and hibernation features. n n