Original Classic Vintage O'Keefe & Merritt Gas Stove USED Simmer Style Grate. This style has the smaller 3.5" diameter simmer plate. This is the thin cast style with 3 pegs on the underside. Often found on the later 50's and early 60's O'keefe & Merritt stoves. This is a very solid solid grate. This simmer plate is smooth without any chips.

MEASUREMENTS 

Ring Width (from side to side) 8-1/4" / Standing upright on cat ears to top of ring 9.0"  / Simmer Plate 3-1/2"