This is the 1.0mm Pencil Tip for use with the Team Checkpoint TK-950 Soldering Station (TKPR0950). FEATURES: Steel construction Round pointed tip INCLUDES: One 1.0mm Pencil Tip REQUIRES: Installation on the soldering iron SPECS: Length: 49mm (1.9") Tip Diameter: 1.0mm (0.039") jxs 08/03/11 ir/jxs