Iron, malleable, casting@grade optional, qq-i-666, 2.125 in.H, 2.125 in. W, 2-mounting holes 0.265 in. Min. 0.296 in. Max.Dia., 1.500 in. Between hole centers along width, 1-mountinghole 0.437 min. 0.439 max. In. Dia., 0.687 in. Distancebetween hole centers from the width to height