These rings are cerakoted...

NOTE:  that the Dark Earth ring image shows 6 screws but  your rings will only have 4 screws.

Rings Heights are as follows, as measured from the top of the picatinny rail to the center of the ring

1 inch Low - 1.000 inch.....  1 inch Medium - 1.125 inch.....  1 inch High - 1.250 inch

30MM Low - 1.050 inch..... 30MM Medium - 1.125 inch..... 30MM High - 1.275 inch... 30MM Extra High - 1.440 inch

34MM Medium - 1.125 inch..... 34MM High - 1.275 inch..... 34MM Extra High - 1.440 inch

BA=BLACK ARMOR, DE=DARK EARTH, T=TACTICAL, Available in 1 inch, 30MM and 34MM

BAT10L, BAT10M, BAT10H, BAT30L, BAT30M, BAT30H, BAT30X,  BAT34M, BAT34H, BAT34X, DET10L, DET10M, DET10H, DET30L, DET30M, DET30H, DET30X, DET34M, DET34H, DET34X