> Made of medical grade metal, which is convenient to use > They can be cleaned and decontaminated by any process and they are fully autoclavable under high temperature degrees > Long, contra-angled handles keep hands out of the way. Great tools for dental care > Very comfortable for the patient, they give contrast to your images and eliminate those elements not required in the picture > This obscures the inside of the mouth and makes the image more presentable for p--atient Model: C-2A/C-2B/C-4A/C-4B/C-4C/C-4D. Package: 6 Pcs/1 Set Dental Photography Black Background.