Product Features: 1. Durable material: The oscillating saw blade is made of high carbon steel and bimetal. Provides excellent wear resistance and increases blade life. 2. 28 PIECES COMBINATION: This multi-tool blades 28 pcs kit contains wood/plastic/soft metal saw blades, Bi-Metal saw blades, semi-circular wood/plastic/soft metal saw blades, C clip adapters, and so on. Perfect for home decoration and construction. 3. PRECISION CUTTING: Built-in length markers on two sides, one side is inch and other is centimeter, ensure you can get accurate cuts easy and fast while you working with it. The special design precision saw blades have longer wavy tooth that is specifically designed to provide faster, cleaner cuts in wood and plastic. 4. DURABILITY AND LONGEVITY: The metal universal multitool is made of bimetal and high carbon steel, stronger and sharper. Each kind of blades are equipped with replacements, sufficient enough for cutting wood/plastic/soft metal. New techniques insure cutting speed, superior wear tolerance and life. 5. UNIVERSAL COMPATIBILITY: Compatible with tools of many brands. 6. WIDE APPLICATION: These universal multi oscillating tool kit can meet all the necessary cutting activities. Such as: Wood, PVC, iron nail, ceramic tile, side seam, thin metal, carpet, square cutting, etc.