BK/MDL-V-8 BK/MDL-V-7-R BK/MDL-V-7-1/2R BK/MDL-V-7-1/2 BK/MDL-V-7 BK/MDL-V-6-R BK/MDL-V-6-1/4-R BK/MDL-V-6-1/4R BK/MDL-V-6-1/4 BK/MDL-V-6/10-R