Available in both 14 and 16 inches, these blades feature a huge 20 mm tall diamond segment, high diamond concentration, fast cutting, long life and consistent performance throughout the entire blade life. In addition, the new Keystone Tools Combatâ„¢ blade is de-signed with a special matrix that eliminates the need for redressing. They have been deemed a hit with the fabricators who have already tried them, reports Keystone Tools Co.