Shaft Protector Set Designed to protect shaft centers from distortion when extreme pressures are applied with either Grip-O-MaticÆ pullers or Push-Pullers. 8056 Set 8050 ñ OD. 1-1/2 height 3/4 Internal point 3/8 External point 7/16 8051 ñ OD. 1-1/4 height 3/4 Internal point 3/8 External point 3/8 8052 ñ OD. 1 height 3/4 Internal point 3/8 External point 5/16 8053 ñ OD. 3/4 height 3/4 Internal point 1/4 External point 1/4 8054 ñ OD. 5/8 height 5/8 Internal point 1/4 External point 1/4 8055 ñ OD. 5/8 height 5/8 Internal point 3/16 External point 3/16