Wiss aviation scissors are available in 3 versions:
M-1R: red sheathed shears for straight cuts and left radii.
M-2R: green sheathed shears for straight cuts and right radii.
M-3R: yellow sheathed shears for straight cuts. These tools are made from superior-quality molybdenum steel. Effective and long-lasting shears, due to close machining tolerances and long, sharp overlapping blades.