Starrett

Starrett MV7051475 Center Gage with Double Depths of American National - Model C391 - USA Standard 60°–14ths, 20ths, 24ths, 32nds Graduation

Starrett MV7051477 Center Gage - Model C396 - Whitworth 55°–14ths, 20ths, 24ths, 32nds Graduation

Starrett MV7051478 Center Gage - Model C398M - Metric Standard 60°–0.5 mm and 1.0 mm Graduation