Here are the spare blades you will need for so many of your utility knives and cutters. This is a pack of 6 in size 3-3/4 X 3/4 inches, and they come in a clear plastic protective case to protect you from injury when changing the blade.

* This inner package of extra blades measures 4-3/4 X 3/4 inch, and package weighs 1.9 ounces

* These blades are ideal for use in a slide casing that takes an 18mm wide blade.

* Made with special drilled hole to fit over knob that holds the blade in place

* Pre-scored with lines for snap blade-when the end gets dull just snap it off and use fresh end

* These blades will cut leather, rubber, plastic, and much more