For use with soldering station TMT-2000S-K (RS ; 860-9488 860-9488 ), TMT-2000S-PM (RS ; 860-9497 860-9497 ). Tip Cartridges - K 70 Series. Soldering tip cartridges with lead-free tip Stainless steel shaft Gold plated connector Temperature range +350 °C +398 °C