The Weller ST4 Screwdriver Soldering Tips will fit the SP40L / SP40N series irons as well as the WP25, WP30, WP35, WLC100 series tools.
Precision ground copper tips are plated with iron, nickel and chromium.
ST4 - .187" / 4.74 mm wide Screwdriver tip
Tinned with Lead Free alloy
