Easy Cutter Carbide Insert Standard BladeThe Easy Cutter Standard Blade replaces the same blade that comes with the kit. It has a carbide insert in the cutting area for long life. To change the blade simply use a ball point pen to push in the clip on each side and remove. Installing the new blade you will need to ensure the tongue inside the blade is aligned with the flipper on the body of the cutter, then it should locate and clip in easily.