Gar G-6 | 32 - 1000 Microinches Surface Roughness Comparator Scale W/6 Finish Specimens

Gar G-60 | 4 - 125 Microinches Surface Roughness Comparator Scale W/12 Finish Specimens - 5 Machining Types

Gar G-63 | 16 - 250 Microinches Rounded Surface Roughness Comparator Scale W/10 Finish Specimens

Gar S-22 | Surface Roughness Scale S-22 Conventional Machining Microfinish Comparator

Gar C-9 Cast Microfinish Comparator Surface Roughness Scale - 16039