Castroviejo Caliper
Caliper, 20 mm, straight, 0.5 mm graduation
Active filters
Caliper, 20 mm, straight, 0.5 mm graduation
Caliper, 20 mm, curved
Caliper, 20 mm straight
Caliper, 15 mm
Lens Spoon, fig. 2
Lens Spoon, fig. 1
Foreign-Body Spud
Giessen ruler