ACCUD 551-01 optical parallels set

ACCUD 551-001-01 OPTICAL PARALLEL FOR 0-25mm MICROMETER / 15.62mm, 15.75mm, 15.87mm, 16mm /

ACCUD 551-002-01 OPTICAL PARALLEL FOR 25-50mm MICROMETER / 40.62mm,40.75mm,40.87mm,41mm /

ACCUD 551-003-01 OPTICAL PARALLEL FOR 50-75mm MICROMETER / 65.25mm,65.37mm,65.50mm,65.62mm /
