TIP CARTRIDGE DESOLDERING ROUND 1.4MM; Tip / Nozzle Width:0.55mm; Tip / Nozzle Style:Standard; For Use With:Metcal MX-500DS Series Soldering & Desoldering Systems; Product Range:STDC Series; Series:700; Tip / Nozzle I.D.:0.25" ;RoHS Compliant: Yes