BKFD 7-7-0.5/M18 BKFD 7-7-1 BKFD 7-7-1/M18 BKFD 7-7-2 BKFD 7-PCB BKFD 8-8-0.2 BKFD 8-8-0.5/M18 BKFD 8-8-0.5/M18/CS12062 BKFD 8-8-1 BKFD 8-8-1/S717