These heavy-duty single edge blades with round corners are a perfect balance between performance, durability, and safety. Utilize this blade to meet OSHA requirements by its round corners that reduce the chances of injury. These blades are popular among industrial manufacturers in automotive, aerospace, medical, and more! The blade is composed of durable carbon steel with a thick .012" 2-facet edge design. The blade's backing or spine is aluminum. Blades come unwrapped in cartons of 225 blades each. There are 25 cartons in a full case. Made in USA.