XT BB.
Weller Tools GmbH
TIP 45DEG PB-FREE 2.4MM; Tip / Nozzle Width:6mm; Tip / Nozzle Style:45° Sloped; For Use With:WXP 120 / WP 120 Soldering Irons; Product Range:XT Series; SVHC:No SVHC (17-Dec-2015); Operating Temperature Max:450°C; Tip / Nozzle Length:36.5mm; Tip / Nozzle Size:2.4mm