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