C.R. LAURENCE CB1T1 CRL Chrysler-Boeing Insert Tool With 7/16" Eye Inserter. CRL Chrysler-Boeing Insert Tool is used for installing round insert strips as used in automotive, aeronautical and marine applications. It has a reinforced eye bend and shank for added strength and durability. The hollow inserter handle provides the user with a secure and comfortable grip, as well as, allows for quick inserter and collet change. Includes; one Hollow Inserter Handle (2011022), one 7/16 inch (11.1 millimeter) Eye Inserter (2011024), and one 7/16 inch (11.1 millimeter) Collet (2011025)..