STANLEY 28-500, RAZOR BLADE SCRAPER WITH 5 BLADES HEAVY-DUTY ALL-METAL BODY CONSTRUCTION. BLADE RETRACTS FOR SAFE STORAGE. SCRAPER REMOVES PAINT, GLUE, PUTTY OR ADHESIVES FROM GLASS, TILE, WALLS, FLOORS, OR OTHER SMOOTH SURFACES. WORKS WITH THESE STANDARD STANLEY RAZOR BLADES: (11-515, 28-510). RAZOR BLADES INCLUDED (28-510): 5. RETRACTABLE BLADE POSITIONS: 1. FOR USE WITH: 11-515, 28-510 MUST BE 18 YEARS OR OLDER TO PURCHASE THIS PRODUCT