Project 70+ CUSTOM 630 （17CR-4NI） UNS S17400 stainless steel, 0.75 inch (19.05 mm) diameter round bar is widely used in the manufacture of various orthopedic and minimally invasive surgical instruments, such as: orthopedic knives, orthopedic scissors, orthopedic forceps, orthopedic hooks, orthopedic needles, orthopedic scrapers, orthopedic cones, orthopedic drills, orthopedic saws, orthopedic chisels, orthopedic files/shovels, rigid tube endoscopes, laparoscopic forceps, laparoscopic instruments, needle holders and other surgical instruments.