Usage Tips:MULTI-PURPOSE BLADES: duty blades 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 BLADES:The blades made by German ultrafine tungsten carbide that lasting up to 10 times longer than conventional steel blades and 20% thicker than standard blades for extra strength and durability.Size in 50mm x 12mm x 1.5mm,pack of 1 blades. 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 sharp . The doubled edge design doubles the blade's life. SAFE: Each blades has secure locator holes that helps easy alignment of knives on cutter-head during knife change, enable construction reinforced and performance stable, help reducing accidental cut. GREAT COMPATIBLE: The blades fit for , Air Viper AXS001160B, and most of hand-held scrapers.Tools can be used as a paint , knife, box opener & more. Perfect for every day use. Material:Tungsten Carbide colour:silver Package Contents: 1 * Scrapers Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.