J S Products, Inc. JSP78936 Diamond Force Low Profile Torx SD Set Tips: diamond coated provides protection against CAM out and more potential to remove partially stripped screws, diamond coated tips provide more grip for loosening and fastening screws Tips: diamond coated provides protection against cam-out and more potential to remove partially stripped screws Diamond coated tips provide more grip for loosening and fastening screws On purchase our product, you are getting the highest quality