184-6635, Weller, Weller RTP 004 S 0.4 x 0.2 x 17 mm Chisel Soldering Iron Tip for use with WXPP, Brand Weller, Model Number RTP 004 S, Tip Shape Chisel, For Use With WXPP Weller RTP 004 S 0.4 x 0.2 x 17 mm Chisel Soldering Iron Tip for use with WXPP