Sometimes you are not quite sure what blade to use. Here’s the Plastic Blades Sample Kit with a variety of plastic blades. It’s certain to cover all the bases. Kit contains: Safe Scrape™ Blades – 10 orange Delrin® (softer) blade; 10 blue polycarbonate (harder) blades; one Miniscraper with two Delrin® plastic blades and 3 sturdy Delrin® T-blades. This kit helps people either get a job done or decide on the best blades for the future.