The product is listed as a MIL-SPEC (MS) version and is specified as non-wettable (NW)

Technical data in the datasheet shows

The description in the manufacturer's material directly indicates its use for assembly work

Compatible Stations: Weller WES50

External dimensions: Width 306 mm

RTP 001 C X MS Pico Conical Unit(s):Pcs The product is listed asProduct Overview This soldering tip from WELLER is an RT Nano Pico active soldering tip: RTP 001 C X MS (Item No. T0050101799). The product is a conical, bent soldering tip with a 0. 1 mm diameter, designed for precision soldering of very small micro components. Technical Description The RTP 001 C X MS is the MIL SPEC (MS) version of Weller's RT Nano Pico platform. The description indicates that the tip is ESD safe and potential free as an MS version.