Pivot Sets Models available for doors weighing from 150 to 1000 lbs. Model 127-3/4 Model 128-3/4 Center Hung Pivot Set CGO128 Center Hung Pivot Set Model 370 Center Hung Pivot Set Model 375 Model 117-3/4 Model H117-3/4 Model H117-3/4 x 587 Arm Model 176 Model 178