[ 9-1/8"Dia ] X [1-7/8"W] 5/8" Hole, Concave, Ccw Rotation Puller Hub And 2 Set Screws. Key Way Use Either Motor: Motor 115/208/230V # 68-1275 Or Motor 115/230V # 68-1003 Montague Oven All Vectaire Units~ 115 A, G, Se, R85, Ii Vg26, Grizzly G, Series: 136 Wheel Puller # 72-1104 Key Way # 26-2737 For Montague Use Either Motor: Motor 115/208/230V # 68-1275 Or Motor 115/230V # 68-1003