【UNIVERSAL SIZE】Compatible with most 3 inch angle grinders with 3/8 inch arbor. These cutting wheels with 1/4" shank mounting mandrel compatible with most brand Die Grinder, Angle grinders, Drill , Air and Electric Cut Off Tools. Easy to install and remove. 【HIGH QUALITY MATERIAL】The cutting discs are made of resin combine white corundum to ensure extra toughness, sharpness, and durability. 3/64” thickness provides fast, precise, and clean cutting performance with minimal burrs and material waste. 【WIDE APPLICATION】 The 3in Cut-Off Wheels designed for cutting various metals, stainless steel, round steel, angle steel, square steel and plastic, other ferrous metals and non-ferrous metal,PVC etc. 【HIGH PERFORMANCE】The cutting discs are made of alumina abrasive #46 grit, it belongs to the coarse grit, the grit coarse chip removal is better than the grit fine chip removal, will not block the air holes, the cutting surface will not easily burned. 【PACKAGE INCLUDE】10pack Cutting Wheels--3" x 3/64" x 3/8" (75mmx1.2mmx10mm), 1pc 3/8" & 1/4" Arbor Shaft Mounting Mandrel scottchen PRO Cut Off Wheels 10 pcs,with Mounting Mandrel