the verified application is:

Source: Manufacturer's product page (Intercable / Weitkowitz)

Take it easy tool finder (color coding and size marking)

The ICQ104 from WEITKOWITZ is an uninsulated tubular cable lug (Quetschkabelschuh) specified according to DIN 46234

For further details on the product family and official manufacturer text

Loddespids 1,6mm ET-A MIL391101111 the verified application is:Product Overview This chisel shaped soldering tip from WELLER, 4ETA 1, is a spare part for soldering equipment and is directly identified as Weller item number 4ETA 1. The 4ETA 1 is part of the Weller ET product family and is specified by the manufacturer as a chisel shaped tip. Description Product: Weller 4ETA 1 Shape: Chisel Product Family: ET Documentation Manufacturer's technical data and further information are available in the Weller datasheet.