MULTI-PURPOSE : duty is designed to provide effective cleaning,can use on wood, ceramic, and induction stovetops and cooktops to remove burnt food, gunk, residue; scrape off caulk and sealant in bathroom or remove window paint, wallpaper. PREMIUM :The made by German ultrafine tungsten carbide that lasting up to 10 times longer than conventional steel and 20% thicker than standard for extra strength and durability.Size in 50mm x 12mm x 1.5mm,pack of 10 . FLEXIBLE DOUBLE EDGES: Double edge feature that makes it likes two sets of knives.When one edge went dull, simply by turning the blade 180 degrees and re-installing it, you have a fresh . The doubled edge design doubles the blade's life. SAFE: Each has secure locator holes that helps easy alignment of knives on cutter- during knife change, enable construction reinforced and performance stable, help reducing accidental cut. GREAT COMPATIBLE: The fit for , Air Viper AXS001160B, and most of hand-held scrapers.Tools can be used as a paint , putty knife, box opener & more. Perfect for every day use. Material:Tungsten Carbide colour:silver Package Contents: 10 * Scrapers