Choose the model Mechanical shaft adapter 1"1/2 Mechanical shaft adapter 40mm Mechanical shaft adapter 1"3/4 Mechanical shaft adapter 45mm Mechanical shaft adapter 50mm Mechanical shaft adapter 2" Mechanical shaft adapter 55mm Mechanical shaft adapter 2"1/4 Mechanical shaft adapter 60mm Mechanical shaft adapter 2"1/2 Mechanical shaft adapter 65mm Mechanical shaft adapter 2"5/8 Mechanical shaft adapter 2"3/4 Mechanical shaft adapter 70mm Mechanical shaft adapter 75mm Mechanical shaft adapter 3" Mechanical shaft adapter 80mm