This is the Hobbico Curved Tip, Plastic Canopy Scissors.

FEATURES: Curved tip specially designed to cut butyrate canopies used
            on radio controlled airplanes. These can also be used for Lexan
            plastic car bodies, helicopter windshields and other plastics.
          Black plastic handle for comfort and control
          Stainless steel cutting blades

INCLUDES: One pair of Canopy Scissors

SPECS:    Blade Cutting Area: 1"  (25mm) approximately
          Overall Length:    5½" (140mm) appoximately
                                                                    AXY 12/5/95
                                                                          ir/jl