Replace the blade in your Cricut Maker to ensure the best cutting performance on flexible materials with the Rotary Blade Kit! Its safe and easy with the specially designed protective changing cap. Kit includes: one protective cap with rotary blade, washer, nut (preinstalled); protective cap; small screwdriver; blade changing instructions. Cuts soft, flexible materials, such as silk, denim, cotton, burlap, and canvas. Use with Cricut Maker smart cutting machines.