The sleeve and inner hexagonal core designed in our GAT high-lock tools can meet the installation of all types of high-lock screw fasteners, and the job of installing all fasteners can be easily completed. The GAT High Lock Installation Tool is optionally equipped with a quick-change sleeve function, allowing the operator to easily replace other sizes of sleeves and hexagonal mandrels in the field for mounting Series fasteners. You no longer have to worry about not seeing the shape of the tool before purchasing, this catalog lists more than 100 kinds of high-lock tool model drawings for reference, so that you can refer to the comparison size and tool shape when selecting.