DeWALT (DW8427H) Metal Cutting Wheel, 5/8-11 Arbor, 7-Inch by 0.045-Inch

Features: 

• More Cuts. Fewer Wheels.TM
  
• 50% Longer Life* Replace wheels less often with Temper Point grains that are tougher and razor sharp for more cuts. Better adhesion between the coated grains and resin creates a longer lasting cutting edge that wears slowly.
  
• Extremely Versatile: Efficiently cut a wide range of metals including carbon steel, stainless and nickel-based alloys.
  
• Aggressive Cutting Action: Make fast cuts with a thin wheel design and high-grain concentration.
  
• Durable By Design: Built with two sheets of fiberglass for wheel strength. Designed to reduce wheel breakage.