 - Alpa Metrology HA095 (HA095500)- Manufacturer: Alpa
 - Knife edge ALPA HA095 Hardened stainless steel knife-edge straight edge for fast and accurate control of planarity and parallelism. Hardened stainless steel made, ground with lapped contact angle. Fitted with hea... Pontoglio, Italy
 - Alpa Metrology HA140 (HA140400)- Manufacturer: Alpa
 - Black granite control square ALPA HA140 Used for checking perpendicularity. Made according to extremely small tolerances. Stability of rest. The larger squares are bored to decrase weight. Lapped surfaces. Top qu... Pontoglio, Italy
 - Alpa Metrology HA140 (HA140500)- Manufacturer: Alpa
 - Black granite control square ALPA HA140 Used for checking perpendicularity. Made according to extremely small tolerances. Stability of rest. The larger squares are bored to decrase weight. Lapped surfaces. Top qu... Pontoglio, Italy
 - Alpa Metrology HA140 (HA140630)- Manufacturer: Alpa
 - Black granite control square ALPA HA140 Used for checking perpendicularity. Made according to extremely small tolerances. Stability of rest. The larger squares are bored to decrase weight. Lapped surfaces. Top qu... Pontoglio, Italy
 - Alpa Metrology HA140 (HA140300)- Manufacturer: Alpa
 - Black granite control square ALPA HA140 Used for checking perpendicularity. Made according to extremely small tolerances. Stability of rest. The larger squares are bored to decrase weight. Lapped surfaces. Top qu... Pontoglio, Italy
 - Alpa Metrology HA095 (HA09575)- Manufacturer: Alpa
 - Knife edge ALPA HA095 Hardened stainless steel knife-edge straight edge for fast and accurate control of planarity and parallelism. Hardened stainless steel made, ground with lapped contact angle. Fitted with hea... Pontoglio, Italy
 - Alpa Metrology HA140 (HA1401000)- Manufacturer: Alpa
 - Black granite control square ALPA HA140 Used for checking perpendicularity. Made according to extremely small tolerances. Stability of rest. The larger squares are bored to decrase weight. Lapped surfaces. Top qu... Pontoglio, Italy

