Modifiche

After the war production resumed with new ogival pens and the transition to [[piston filler]]. In 1946 the [[Omas Extra|Extra]] line was completely restyled, the wheel clip was maintained but  were used three rings on the cap. Also the [[piston filler]] was adopted and  a transparent section for viewing ink level was introduced. Three sizes were maintained: small, medium and large, identified respectively with the numbers [[Omas 55x|555]], [[Omas 55x|556]] and [[Omas 55x|557]].

After the war production resumed with new ogival pens and the transition to [[piston filler]]. In [[1946]] the [[Omas Extra|Extra]] line was completely restyled, the wheel clip was maintained but  were used three rings on the cap. Also the [[piston filler]] was adopted and  a transparent section for viewing ink level was introduced. Three sizes were maintained: small, medium and large, identified respectively with the numbers [[Omas 55x|555]], [[Omas 55x|556]] and [[Omas 55x|557]].