Vacuum Tube Box, 1-1/4" x 1-1/4" x 3-11/16", Fits 6V6GT, 6SN7GT, 12SK7 Plain White boxes for vacuum tubes Keep your tubes safe in these durable, heavy paper tube boxes Fits 6V6GT, 6SN7GT, 12SK7 1-1/4" x 1-1/4" x 3-11/16" Inside Divider to keep tubes secure