This is a Glo Caddy from Dubro.

FEATURES: This caddy will hold Sub-C or C size battery glow starters.
          Plastic construction.
          Attaches to a pants belt or pocket with the included clip, or
            using the included base and screws, can be mounted to a field box.
          Keeps your glow starter at a finger-tip's reach!!

INCLUDES: One Glo Caddy
          One Field Box mounting base
          Two phillips head screws

SPECS:    Outer Diameter: 1-3/8"        (35mm)
          Overall Height: 2-3/16"       (55mm)
          Top Inner Diameter: 1-3/16"   (30mm)
          Bottom Inner Diameter: 11/16" (17mm)
                                                                    sdw 3/27/02
                                                                          ir/kh