RNLER
 
Calipers
4170 - Sourdille Caliper     11051 - Castroviejo-Grancini Caliper  
Opening 16 mm.   Opening 24 mm.
Sourdille Caliper #4170   Castroviejo-Grancini Caliper #11051
12994 - Sourdille-Apt Caliper  
Graduated in half mm.
Sourdille-Apt Caliper #12994
 
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