Holds a single edge blade (standard replaceable razor blade).
Push to extend the blade for use.
Blade can be removed from holder and be used as a scraper.
NOTE: Product comes with Prop 65 warning label. Label reads: "WARNING: This product may contain carcinogen, which is known to the State of California to cause cancer, birth defects and other reproductive harm. For more information, go to www.P65Warnings.ca.gov.