... open type,"AJ" means adjustment type. Applications: Widely used in the defense, precision machinery, medical instrument, chemical, printing, ... the inch dimension series with seal used most frequently in England Model No.LM...LUU Type:LM3LUU, LM8LUU, LME10LUU, ... high quality and competitive price. Applications:Widely used in the defense,precision machinery,medical instrument,chemical,printing, ...