NCB8-18GM40-N0 NCB8-18GM40-N0-10M NCB8-18GM40-N0-10M-OG NCB8-18GM40-N0-5M NCB8-18GM40-N0-OG NCB8-18GM40-N0-V1 NCB8-18GM50-E2-V1 NCB8-18GM50-Z4 NCB8-18GM50-Z4-V1 NCB8-18GM50-Z5