Pack of 10 spare straight blades for #22-22290 safety knife.
22-22280 - 5 Piece Snap-Off Blade Refill Set
A pack of five refill blades for snap off craft knives and equivalents
22-22285 - Fish Style Safety Knife
A safety knife which guides the material to be cut directly along the surgical steel blade.
22-22295 - Fish Style Hook Blade Knife 10 Pack
Pack of 10 spare hook blades for #22-22290 safety knife.
22-22300 - Lock back Utility Knife
A general purpose scraper which is both safe and easy to use.
I have dealt with MCM Electronics a number of times and have been more than satisfied.