BK/S520-V-8-R BK/S-8001-1 BK/S-8001-10 BK/S-8001-1-R BK/S-8001-1-SNP BK/S-8001-1SNPR BK/S-8001-1-SNP-R BK/S-8001-1X BK/S-8001-2 BK/S-8001-2-R