Contains: .050", 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32" and 1/4" ball end hex keys. Packaged in compact molded plastic holders. Designed with a ball profile on the long arm. This feature provides 360º of rotation at up to a 30º angle.