This master set contains 11 drivers to fit automobiles and trucks up to 1 ton. Includes two handles, one for hammering and one for use with an air hammer. The drivers can be used on both bearing races and seals. All set contents are packaged in a blow molded case. The set weighs 6 lbs. 11 oz. This master pneumatic bearing race seal driver set contains 11 drivers to fit automobiles and trucks up to 1 ton. It includes 2 handles, one for hammering and a pneumatic handle for use with an air hammer. Use the tapered driver side for bearing races and the reverse flat side for seals. Sizes include: 1.565, 1.750, 1.965, 2.325, 2.555, 2.830, 2.995, 2.470, 4.625, 3.813 and 3.180. To add the pneumatic handle to your current set order a 12820 pneumatic driver.