Features and Benefits:Quickly and Easily Removes Sealed U-Joint Caps without Damage to Driveshafts, Yokes or Bearing Caps.;Work on Class 7 and 8 trucks with 1.5" to 2.2" bearing caps. Heat-treated threads and casting for durability.;Quickly and Easily Removes Sealed U-Joint Caps without Damage to Driveshafts, Yokes or Bearing Caps.;Work on Class 7 and 8 trucks with 1.5" to 2.2" bearing caps. Heat-treated threads and casting for durability.;.;.;.