Tolerator Filetor Convertor
The Tolerator indicates all tolerances value according to ISO recommendationR286-1962 up to nominal sizes 500mm

The Filetor indicates the thread name the range and all the respective defined sizes

The convertor converts mmto inches and visa versa

Appliocations:
Multilingual labelling allows these devices to be used internationally in workshops for design work preparation schools etc Enclosed housing protects it from dirt. Can be carried in pocket.