The single edge razor blades are made of high-quality carbon steel, which is corrosion-resistant, reliable and easy to cut. The sharp edge can better help you work easily.The single edge razor blades size fits all standard safety scrapers.The safety razor blades are single-edged with size of 1.5inch length, 0.75inch width and 0.009 inch thickness. Each single edge razor blade is individually wrapped and protected for moisture and rust proof. Each 100pcs equipped with a transparent plastic box for better placing the blade.The razor blade knife can effectively remove old paint, stickers or decals on tiles, walls, floors, plastics, ceramic stoves, glass doors and windows.Risk-free: We will provide refund or replacement without any condition if you are not satisfied with the blade. We are only responsible for the products in the store. We are not responsible for the quality probl caused by purchasing the same product through other channels.