Precision ground copper tips are plated with iron, nickel and chromium ST7 -. 031" / 0. 79diameter Conical tip Tinned with Lead Free alloy Features: ST7 Conical Tip, 0. 8 MM,FOR WP25/40 Will fit the SP40L / SP40N series irons as well as the WP25, WP30, WP35, WLC100 series tools.
