Metcal SCP-DRK50 SxP Series Soldering and Rework Cartridges for High Thermal Demand Applications， Knife， 460 Degree C Maximum Tip Temperature， 5mm Tip Size， 16mm Tip length<img src="http://ecx.images-amazon.com/images/I/31%2BQVKZQYPL.jpg" noproxy>