Both professionals and hobbyists, rejoice! The Excel Blades’ Excel Blades is set to become your next favorite tool! This precision product features retractable blade for easy storage and transport,a sharp, 7 point snap blade,and makes it easy to cut through a variety of materials, including paper, fabric, and cardboard.The item # 16074 is made of aluminum, plastic, and carbon steel. This products works exclusivly with Excel Blades’ #3 and #30 9mm snap blades.