6. Single hole installation positioning type   LW39B-164N0393.2C
7. Single hole installation positioning type   LW39B-164D0419.2C
8. Single hole installation   LW39B-164E3410
9. Single hole installation   LW39-16C-6KC-202.2
10. With key, single hole installation, automatic reset type  LW39B-164B TAG：