LOONPON Die Grinder Cut-Off Wheels and Mandrel Kit Including 20PACK 3"x1/16"x3/8" Thin Cutting Wheels and 1 Mounting Mandrel Material - The cutting wheel is made of Proprietary aluminum oxide grain combination ensures durable long wheel life and fast bur-free cutting; The mandrel is made of A3 carbon steel with black plating, durable.Ultra-thin design - 3" x 1/16'' x 3/8'' cutting wheel with Ultra-thin design can prodive for fast, precise cuts with less burr and material waste.2 spacers reinforce the connection between the cutting wheel and the arbor and protect the surface of the cutting wheel.Fit for Tools - This cutting disc for most die grinders, pneumatic air tools and electric drills. Perfect for Metalworking - Stainless Steel, Sheet Metal, Ferrous & Non-ferrous Metal, Cast Iron, Angle Iron, Rebar, Aluminium and Copper Cutting. Mounting Mandrel for Cut-Off Wheels with 3/8" & 1/4" Arbor Hole 3/8" Arbor Hole fits Type 1 cutting and snagging discs Flathead notch for tight fit; 1/4" Stem fits most die grinders and air tools; Mainly designed for mounting 3/8” or 1/4” arbor hole and small diameter cutting wheel 2 Gaskets 2 gaskets reinforce the connection between the cutting wheel and the arbor and protect the surface of the cutting wheel. Ultra-thin cutting wheel 3" x 1/16'' x 3/8'' cutting wheel with Ultra-thin design can prodive for fast, precise cuts with less burr and material waste. 1PCS Mounting Mandrel 3'' 3 Inch Angle Grinder Polishing Wheels Set 3'' Cut-off wheel 3'' HSS saw blad 3'' HSS saw blad 3'' Diamond Cutting Disc Buying Options Buying Options Buying Options Buying Options Buying Options Buying Options Customer Reviews 3.6 out of 5 stars 10 4.6 out of 5 stars 16 4.3 out of 5 stars 25 4.0 out of 5 stars 43 4.3 out of 5 stars 658 3.4 out of 5 stars 12 Material ✓ ✓ ✓ ✓ ✓ ✓