The bit is used as an interchangeable insert in tool holders with a 1/4" hexagon drive and is shown by WERA as a component in sets such as Bit-Check and Kraftform Kompakt 71 Security

så ledninger kan forbindes

The crimping area is hard-soldered

The product name SLK-4N-F25 is consistently used in the manufacturer's documentation

where the crimping area is hartverlötet (hard-soldered)

Forbindelsesstik SKS2-4N-19 CATII 1000V 32A HVID Unit(s):Pcs The bit is used as. Insulated, 4 mm, made of brass. Plugs with spring loaded MULTILAM contact technology and rigid insulating sleeves. With insulated grip. At rear with two in line 4 mm rigid sockets accepting spring loaded 4 mm plugs with rigid insulating sleeve.