In 2001, Ligum developed the revolutionary Patent, the CV Boot installation tool to replace the Outer Cv Boots & Inner CV Boots over the CV Joint without dismounting the CV Joint or removing the driveshaft from the car. This Original Patent has changed a field in the global automotive industry, and as for today most of the garage workers over the world use the CV Boot installation tool of Ligum company . The original Patent for CV boot Expander tool Replaces CV boot installation cone tool.