Quality Resin Bond: high quality resin bonding agent and double-layered fibre mesh gives the cutting discs excellent elasticity and toughness.When the grains are worn out, new abrasive grains can be exposed in time, thus maintaining the sharpness of the cutting blade Specifications: 12 Pcs 2 inch type T14 cut off wheel; hole diameter: 3/8 inch; Thickness: 1/16 inch; Max speed 3000RPM,3/8"and 1/4"mounting mandrel with 1/4in shank. Widely Used:Die grinder cutting discs are very aggressive and can make fast burr-free cuts on metals, steel, carbon steel, stainless steel, iron, copper and other metals and plastics, PVC, which are suitable for different fields such as construction industry, foundries Quality materials:2" Cutting Disc is made of aluminum oxide and silicon carbide material with high hardness and sharpness; double-layer fiber mesh and high-strength resin bond increases durability by 45%, stainless steel centre ring reinforced disc to prevent breakage Note: that the grinding cutting wheel is compatible with the angle grinder and is firmly installed, and wear good to avoid injuries during the cutting process, Weight: 0.330693393 pounds, Manufacturer: NONDK