The Milwaukee Packout Insert for M18 Drill .It is designed specifically for 18V cordless drills. This insert allows for easy bit changes and is convenient for various drilling applications. This is designed for the FPD3 drill. These inserts keep your drill snugly in place during transport. Includes a red integrated bit holder. There is space for longer bits to be stored and multiple sections for storage of screws bits and accessories. (Insert Only No Tools).