BK/S505SCH-3.15-R BK/S505SCH-5-R BK/S505SCH-6.3-R BK/S505-V-1.25R BK/S505-V-1.6-R BK/S505-V-10-R BK/S505-V-12-R BK/S505-V-1-R BK/S505-V-2.5A BK/S505-V-2.5-R