JBC Tools C120011, Chisel Bent Ø 0.6JBC Tools C120011, Chisel Bent 0. 6 C120 cartridges are appropriate for soldering and desoldering chip components or dual in line easily, reducing handling time. They work with Micro Tweezers which enables to align the cartridges according to the user needs. 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 &