- Alpa Metrology FA120 (FA120L30)- Manufacturer: Alpa
 - Flat-parallel interferometer lens ALPA FA120 Optical parallel have been specifically designed to check the flatness and parallelism of micrometer anvils using the natural phenomena of interference fringes. Pontoglio, Italy
- Alpa Metrology FA127 blocks (FA1277)- Manufacturer: Alpa
 - Accessories for using ALPA FA127 blocks Wide range of accessories for the most different uses from the checking of the height to the external measurements, from the measuring of the centre distance to the creatio... Pontoglio, Italy
- Alpa Metrology FA127 blocks (FA1276)- Manufacturer: Alpa
 - Accessories for using ALPA FA127 blocks Wide range of accessories for the most different uses from the checking of the height to the external measurements, from the measuring of the centre distance to the creatio... Pontoglio, Italy
 - Alpa Metrology HA135 (HA1352000)- Manufacturer: Alpa
 - Double T black granite flat-parallel level ALPA HA135 Two parallel,plane, lapped faces with double T – shaped section for stability and lightness. The parallelism tolerance is equal to the planarity tolerance. Di... Pontoglio, Italy
 - Alpa Metrology HA135 (HA1351500)- Manufacturer: Alpa
 - Double T black granite flat-parallel level ALPA HA135 Two parallel,plane, lapped faces with double T – shaped section for stability and lightness. The parallelism tolerance is equal to the planarity tolerance. Di... Pontoglio, Italy
 - Alpa Metrology HA135 (HA1351000)- Manufacturer: Alpa
 - Double T black granite flat-parallel level ALPA HA135 Two parallel,plane, lapped faces with double T – shaped section for stability and lightness. The parallelism tolerance is equal to the planarity tolerance. Di... Pontoglio, Italy
 - Alpa Metrology HA135 (HA135500)- Manufacturer: Alpa
 - Double T black granite flat-parallel level ALPA HA135 Two parallel,plane, lapped faces with double T – shaped section for stability and lightness. The parallelism tolerance is equal to the planarity tolerance. Di... Pontoglio, Italy
 - Alpa Metrology HA135 (HA135750)- Manufacturer: Alpa
 - Double T black granite flat-parallel level ALPA HA135 Two parallel,plane, lapped faces with double T – shaped section for stability and lightness. The parallelism tolerance is equal to the planarity tolerance. Di... Pontoglio, Italy
 - Alpa Metrology EB100 (EB100100)- Manufacturer: Alpa
 - Sine-bar table ALPA EB100 Hardened stainless steel, hardness 60 HRC, lapped surfaces, flatness accuracy ± 0,001 mm, cylinders distance accuracy ± 0,005 mm. Pontoglio, Italy
- Alpa Metrology FA175 (FA175SET)- Manufacturer: Alpa
 - Setting rings ALPA FA175 Due to their diameters these rings are suggested to set depth micrometers. Set made of 10 pieces with parallel faces. Pontoglio, Italy
- Alpa Metrology HA050 (HA050075)- Manufacturer: Alpa
 - V-parallel prisms ALPA HA050 Steel frame, accuracy 0,01 mm, on request accuracy 0,10 mm. Manufactured in pairs. Fine grinded. Pontoglio, Italy
- Alpa Metrology HA050 (HA050250)- Manufacturer: Alpa
 - V-parallel prisms ALPA HA050 Steel frame, accuracy 0,01 mm, on request accuracy 0,10 mm. Manufactured in pairs. Fine grinded. Pontoglio, Italy
- Alpa Metrology HA050 (HA050150)- Manufacturer: Alpa
 - V-parallel prisms ALPA HA050 Steel frame, accuracy 0,01 mm, on request accuracy 0,10 mm. Manufactured in pairs. Fine grinded. Pontoglio, Italy
- Alpa Metrology HA050 (HA050200)- Manufacturer: Alpa
 - V-parallel prisms ALPA HA050 Steel frame, accuracy 0,01 mm, on request accuracy 0,10 mm. Manufactured in pairs. Fine grinded. Pontoglio, Italy
- Alpa Metrology HA050 (HA050100)- Manufacturer: Alpa
 - V-parallel prisms ALPA HA050 Steel frame, accuracy 0,01 mm, on request accuracy 0,10 mm. Manufactured in pairs. Fine grinded. Pontoglio, Italy

