and ICF versions are manufactured without an inspection hole

Product name: ICR075V

see the manufacturer's catalog page:

Packaging Data

Intercable article code: ICR24

Kabelsko Cu fortinnet 16mm²F-Ø10mm Afgift and ICF versions are manufacturedProduct Overview The Intercable ICF1610 is an F series tubular cable lug (straight tubular cable lug) designed for fine and extra fine multi stranded conductors. The product is specified for a cross section of 16 mm and fits an M10 (10 mm) screw. The material is stated as DIN EN 13600 Cu HCP electrolytic copper with an electro tinned surface and a purity of more than 99. 95%. The design is without an inspection hole. Design and Materials Series: F