Why Choose Us Ultra-thin 0.04-inch industrial grade 3-inch cut-off wheel Ideal for use on 3-inch cut-off tools, can also be used on die grinder or power drill tools with the included mounting bar for easy handling of cutting jobs. 3"x1/25"x3/8" Cut Off Wheel Designed for use with 3" cutting tools, it cuts as efficiently as a hot knife cuts butter. Industrial Grade Cutting wheels, High Quality Aluminum Oxide Multi-Layer ConstructionSharp edge without burrs, self-sharpening to improve cutting performance.Rugged construction for precise cutting and long service life. Please wear the necessary protective equipment. Specification: Outer Diameter: 3inch (75mm) Aperture: 3/8inch (9.5mm) Thickness: 1/25inch (1mm) Coating Width: 1.1inch (28mm) Use with 1/4 Mounting Mandrel 2 Set Mounting MandrelRound shank fits tightly.Safe and simple cut-off wheel replacement.Long life, rod indestructible alloy body. Why choose the 3" size Can be mounted on lightweight cutting tools operated with one hand.Smaller cutting size for more precise and manageable operation.Easily work in areas that are hard to reach with a 4.5" cut off wheel. High Performance Higher cutting precision and less material consumption..Higher cutting efficiency, cuts through metal like a hot knife through butter.Max 25000RPM 80m/s