"STEEL,CORROSION RESISTANT,AMS5504,2.300 IN. LG,2.300 IN. W,0.100 IN. THK,1 SIDE SERRATED 28 PITCH 60 DEGREES FLAT 0.023 IN. DEEP,CORNERS CHAMFERED 45 DEGREES BY 0.220 IN.,4 MOUNTING HOLES 0.285 IN. DIA ON 1.560 IN. MOUNTING CENTERS,1 CENTER HOLE 1.030 IN. DIA"