Step Plate Adapter Set for 17.5-Ton Press Step Plate Adapter Set Necessary for pulling and installing bearings, gears, or other parts found on hollow shafts or housings. They may be used with Grip-O-Matic pullers and Push-Pullers, as well as shop presses. 8075 Set 8057 – O.D. 1, I.D. 3/4 8058 – O.D. 1-1/8, I.D. 7/8 8059 – O.D. 1-1/4, I.D. 1 8060 – O.D. 1-3/8, I.D. 1-1/8 8061 – O.D. 1-5/8, I.D. 1-1/4 8062 – O.D. 1-3/4, I.D. 1-3/8 8063 – O.D. 1-7/8, I.D. 1-1/2 8064 – O.D. 2, I.D. 1-5/8 8065 – O.D. 2-1/8, I.D. 1-3/4 8066 – O.D. 2-3/8, I.D. 1-7/8 8067 – O.D. 2-1/2, I.D. 2 8075