2 Types of TeethThe blade diameter is 250mm and the hole diameter is 30mm; the kit contains 2 circular saws, the saw tooth numbers are 48 teeth or 60 teeth, it fits your saw blade well, and different tooth numbers can meet your different cutting needs > Sharp CuttingThe blade increases the thickness of the cutting seam and the panel, which provides fast, thin cutting and reduces kickback; due to the coordinated inclination of the saw blade, the cutting effect is better when using and cutting; the process is smoother; you can cut thin, tear-free cross-sections on particle board, block board, aluminum and thin steel panels get Hard aluminum alloyThe circular saw blade is made of premium hard aluminum alloy, which has good wear resistance and pressure resistance; the surface is provided with a coating to make it stainless and guarantee a longer service life Wide Range of Applications It can be used on miter saws, saws table saws, radial arm saws, panel saws and cordless circular saws; Instantly transform your saw into a professional saw, whether metal, plastic or wood, it can help make cutting easier and more efficient Features: Material: tungsten carbide alloy. Colour: see photo. Number of teeth: 48T and 60T Diameter: 250 mm Bore: 30 mm Reduction ring: 25 mm, 20 mm, 16 mm. Contents: 2 saw blades. < p>Note: 1. Since measurements are taken by hand, the sizes indicated may vary by 1-3 mm. Thank you for your understanding. 2. Monitors are not calibrated same Item color displayed in photos may be showing slightly different from the real object. Please take the actual color as the standard.