BKFDV 6-6-0.5/M18 BKFDV 7-7-0.5/M18 BKFDV 7-7-1/M18 BKFDV 8-8-0.15/M18/S1244 BKFDV 8-8-0.5/M18 BKFDV 8-8-0.5/M18/S1244 BKFDV 8-8-3/M18/S1244 BK-FHL17G1 BK-FHN31G1 BK-FHN42W