HELIOS-PREISSER 0597301 Fasenmessgerät mit auswechselbarer Messschiene für 30, 45, 60 Grad : Amazon.co.uk: DIY & Tools
Simply buy Concentricity measuring gauge with disc support | Hoffmann Group
Over 35 cm long metal piece with multiple adjustable screw. Made by Helios in Germany. Also has Finnish army tower stamp. Is this some kind of tool? : r/whatisthisthing
Company – Quality Tools Messtechnik
MACHINIST TOOLS LATHE MILL Machinist Helios Planer Gage Gauge in Case | eBay