Weller Soldering Iron Tips Soldering tip 633112 - Weller T0054444099, Weller manufactures the LT-A soldering tip, which is chisel-shaped and straight with a tip size of 1.6 mm. This high-quality tip is designed for precision soldering in electronics and circuit board assembly. It is available as a single piece for those needing reliable and consistent performance. Weller T0054444099 LT-A Soldering Tip Chisel-Shaped 1.6mm 1 piece