This set provides proper size driver for nearly all automotive seal, bearing, or bushing installation jobs. Set includes SAE disc sizes: 5/8-Inch, 3/4-Inch, 7/8-Inch, 1-Inch, 1-1/8-Inch, 1-1/4-Inch, 1-3/8-Inch, 1-1/2-Inch, 1-5/8-Inch, 1-3/4-Inch, 1-7/8-Inch and 2-Inch.