Description
Wire ring 18 mm, 1.33 turns.
Color : chrome / silver
Material : hardened or extra hardened steel, shiny nickel plated.
Guide values
Outer size : 18 mm
Inner size : 15.5 mm
Material thickness : 1.2 or 1.3 mm
Winding direction : Left (1.2 mm) or Right (1.3 mm)
