NLC252018T-4R7M NLC252018T-4R7M-N NLC252018T-4R7M-PF NLC252018T-6R8 NLC252018T-6R8J-N NLC252018T-6R8J-S NLC252018T-6R8K NLC252018T-6R8K-N NLC252018T-6R8K-S NLC252018T-6R8M