BKF 19-19-2
BKF 19-19-2, U0943-07
BKF 19-19-2/14.5/NPT, U-15932
BKF 19-19-2.5, U-59466
BKF 19-19-2/M18, U-09462
BKF 19-19-2/M20, U-82065