Olfa BTB-1 Heavy duty spare blade for Olfa BTC-1 Scraper. The scraper is not included, purchase separately from here.
BTB-1 Replacement multi-functional dual-edge extra solid scraper blade, Sharp edged blade that provides a wide variety of uses such as cutting; scraping; shaving; slicing
The BTB-1 shows excellent performance for cutting leather, fabrics, textiles, cork and resin sheets.

One pack contains 3 blades in a re-seal-able plastic safety container.