Set Includes 8 Drivers for Driving Inner and Outer Pinion Bearing Races on 1/2 & 3/4 Ton Ford, Dodge and GM Pickups. Use the extended, two-piece handle for driving rear pinion bearing races. A pneumatic handle is also included for use with an air hammer. Sizes: 2 11/16" 2 27/32", 2 7/8", 3", 3 1/4", 3 1/2", 3 3/4", 4 1/8".