as indicated by the manufacturer:

The product is described as being intended for multi-stranded conductors

intended as a replacement component for the Weller DXV 80 desoldering iron

Connection: Flat connector tab 4

04028) is a primary silver oxide

Bit serie 4 unbrako 1/4": SW2x50mm MIL370101111 as indicated by the manufacturer:Produktoversigt Wera 840 4 Z HexPlus 2,0 x 50 mm (05059603001) er et bit til indvendig sekskant (Innensechskant). Produktet er beskrevet af producenten som et zhharte, universelt anvendeligt HexPlusbit med 1 4" sekskantan sving (Wera AnschlussReihe 4) og en klinge p 50 mm. Funktion og egenskaber Beskrivelsen fra producenten angiver flgende egenskaber for Wera 840 4 Z HexPlus 2,0 x 50 mm: HexPlus profil: strre anlgsflader i skruehovedet, hvilket