This is the Eversharp Film Trimmer from Higley.

FEATURES: Uses inexpensive razor blades.
          Makes perfect lap joints in any plastic film covering.
          Machined from solid aluminum bar stock.
          The film travels in one of eight slots-which gives you eight
            positions on the razor edge to dull.
          Turn the blade over and you have eight more!

INCLUDES: One Eversharp Film Trimmer.

SPECS:    Length: 2"     (5.1cm)
          Width:  1-1/2" (3.8cm)
                                                                   sdw 10/02/01
                                                                          ir/kh