Used Kumewa CH-5610 Wohlen Switzerland industrial machine lamp   

Adjustable to about 800mm 
Two arms 400mm and 250mm 
Shade is 120mm in diameter 
Typ B, max. 75W normal E27 bulb
230 V

For example original Schaublin, Aciera and Emco machine lamp

The following letters correspond to the letters in the Video:

A. €395 for one piece

B. €395 for one piece

C. €395 for one piece

D. €395 for one piece

Weight 1.5Kg one piece