BK/S-8001-1-SNP-R BK/S-8001-1X BK/S-8001-2 BK/S-8001-2-R BK/S-8001-3 BK/S-8001-3-R BK/S-8001-4 BK/S-8001-4-R BK/S-8001-5 BK/S-8001-5-R