BKFD 12 BKFD 12-12-0.5 BKFD 12-12-0.5/M18 BKFD 12-12-0.5/M18/CS12858 BKFD 12-12-1 BKFD 12-12-1/M18 BKFD 12-12-2 BKFD 12-12-3 BKFD 12-12-3/M18 BKFD 12-12-3/M18/CS12858