Weller Soldering Iron Tips Soldering tip 615675 - Weller T0050102399, The Weller RTP 004 S MS soldering tip, model T0050102399, is a chisel-shaped, 16.3 mm long tip offered as a single piece. Designed for precision and versatility, this tip is ideal for detailed soldering tasks in electronics and fine mechanical assemblies. Its high quality ensures reliability in professional soldering applications. Weller T0050102399 RTP Soldering Tip Chisel-shaped for Micro Components