Get 50PCS of oscillating saw blades, perfect for cutting wood, plastics, and metal. These blades have a titanium coating on the sawtooth surface, increasing their hardness by over 50% and offering stronger abrasion resistance, with a service life more than 2x longer than ordinary blades. They are made of alloy steel and high-carbon steel, processed through a special manufacturing process and repeated high-temperature quenching to enhance their performance. The innovative design with various sawtooth sizes and shapes ensures efficient cutting and a comfortable grip. The built-in length markers on both inches and millimeters allow for easy and fast accurate cuts. With a universal interface system, they are compatible with over 95% of oscillating tools on the market. They can be used to cut pipes, PVC, plasterboard, and are also suitable for cutting and grinding cement and tiles, bringing great convenience to your home improvement and DIY projects. The size of each blade is 6.26 x 4.41 x 2.05 in. and the package size is 6.3 x 4.5 x 2 in. weighing 2.47 lbs. They are a must-have for any toolbox.