JBC Cartridge Conformal Coating Removal 4.3 x 0.1 (not for soldering) (C245109)C245109 is a special cartridge, not tinned and designed for cutting. C245 cartridge range is the widest one of JBC with many shapes, sizes and special models. They work with T245 Handpieces. JBC Long Life Tips offer instant heat up, excellent heat transfer and great durability. They last 5 times longer than other brands thanks to the JBC Most Efficient Soldering System and the Sleep & Hibernation features.