3-3/8" Diameter Multi Cutting Wheel for Steel, Aluminum, Inox, Masonry, Plastic. Super long durability and high-speed cutting No need to change the wheels even for different material's cutting 1/24" Thick, 15mm Arbor With this One-Blade-Cuts-All with latest technology there is no need to change the products frequently when cutting various materials, then improving the working efficiency. Patent Pending design cools the blade down and provides extra long life. 1/8" thick cuts fast and smooth for comfortable cutting Experience.