The xAxis Sealed Flex Joint is a technology step - up for suspension joints and linkages. xAxis delivers reduced compliance vs rubber, improved durability vs spherical bearings, and increased angularity vs urethane. Featuring sealed ends to keep grease inand contaminants out, a highly polished ball, and 45deg of articulation, this cross axis ball joint will meet the most demanding requirements. Dubbed the 'Grader Ball' our largest xAxis has a .75 through hole, 3.25 wide and a 2.5 outside diameter, and is perfect for high load applications Rock Racing and King of the Hammers Rigs. California Residents WARNING