About This 【PREMIUM ABRASIVES GRAIN】The cut off wheel made by proprietary aluminum oxide grain and resin. High-performance particles feature heat resistance, high tensile strength and high elasticity, ensuring the stability of the physical and chemical parameters of the cutting discs. 【25-PIECE & PERFECT SIZE】Dimensions 4-1/2" x 3/64" x 7/8" Our cutting wheels are compatible with most tool grinders, air cut-off tools and electric cut-off tools.Max operating speed up to 13,300 RPM and 80 m/s. 【THIN BUT MIGHTY】Faster cuts – Less friction, more progress. Cleaner edges – Minimal burrs (saves 15 mins of grinding per cut!). 【APPLICATION】Our angle grinder cutting wheel quickly and effortlessly cut all kinds of stainless steel, metal, cast iron, aluminu etc. 【SAFETY FIRST】Always wear goggles & gloves when using resin cutting wheels! Never go o Overview Grit Material : Aluminum Oxide Product Dimensions : 4.5"L x 4.5"W Brand : Jgrgoris Grit Type : Fine Item Thickness : 0.05 Inches