9mm Small Yellow Retractable Snap Off Knife
These knives are great for shaving top edge.
Low cost, bright yellow so you wont loose it, plastic casing wont scratch film if rubbed against.
These are steel blades! Do Not use them to cut directly on glass.
5.25" Long .5" Wide Usable Blade
One Hand Thumb Slide and Lock.
12 Snap off Segments for New Tip.