DURABLE: Made of stainless steel handle with sharp SK5 razor blade. QUICK BLADE CHANGE: Push the trigger all the way out to remove dull blade and insert a new one. Blade retracts for safe storage. MULTI-FUNCTIONAL: Great to scrape paint, stickers, wallpaper. Also suitable to clean stains and dirts on stovetop or window. PLENTY: 4 pcs all-metal razor blade scrapers and 3 pcs mini plastic scrapers are included for widely use in home or office. EXTRA BLADES: Extra 22 pcs SK5 razor blades refill in a plastic casing for long time use. Great to scrape paint, stickers, wallpaper. Also suitable to clean stains and dirts on stovetop or window.