 - Alpa Metrology FA240 (FA2401428)- Manufacturer: Alpa
 - GO/NO GO threaded plug UNF ALPA FA240 In hardened steel. Tolerance 2B. Pontoglio, Italy
 - Alpa Metrology FA240 (FA24011412)- Manufacturer: Alpa
 - GO/NO GO threaded plug UNF ALPA FA240 In hardened steel. Tolerance 2B. Pontoglio, Italy
 - Alpa Metrology FA240 (FA2401220)- Manufacturer: Alpa
 - GO/NO GO threaded plug UNF ALPA FA240 In hardened steel. Tolerance 2B. Pontoglio, Italy
 - Alpa Metrology FA240 (FA240836)- Manufacturer: Alpa
 - GO/NO GO threaded plug UNF ALPA FA240 In hardened steel. Tolerance 2B. Pontoglio, Italy

