This application is directly stated by the manufacturer and describes the primary purpose of the tool

Compatible stations/handpieces (stated in manufacturer's data): Weller WSL

Used in situations where ESD protection is required (the model is specified and approved for ESD use by the manufacturer)

The BAHCO 6700SM-13 is used for manual rotation of 13 mm hex fasteners using a 1/4" square drive

Prøvepind SPP4-S/F rød 1000V - CAT II - max 1A Unit(s):Pcs This application is directly stated. Spring loaded stainless steel needle which reacts resiliently under light pressure. Specially suited for sensitive printed circuits. Test probe with handle guard chamfered on both sides. 4 mm rigid socket in handle accepting spring loaded 4 mm plugs with rigid insulating sleeve. Supplied with protective cap.