BK-S505-V-6-3RM BK-S505-V-6-3RS BK-S505-V-8-RL3 BK-S505-V-8-RS BK-S506-160-R BK-S506-1-6-R BK-S506-2-5-R BK-S506-2-R BK-S506-4-R BK-S506-50-R