The shape designed allows this cutter to easily plunge cuts into the material at any spot without damaging opposing walls or surfaces. It allows users to fit a wide variety of oscillating accessories, designed with universal fitting for use on many major brands of oscillating tools. Features: Made from high carbon steel material, high hardness and long service life. Special designed fitting can directly fit for many kinds fast change multi function power tools. For home improvement applications such as cutting out wood, plastic. Feel free to use it in any of your home improvement or professional project, comes with perfect results. Excellent for easy plunge cuts into the material at any spot. Specifications: Material: High-carbon steel (HCS) Color: Black Size: 10mm, 20mm, 32mm, 45mm, 65mm, 88mm Quantity: 6pcs Weight: Approx.169g/6oz Package list: 6pcs * Saw Blades Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.