E-Z ID Instrument Rings - Small 1/8", 200/Pk. Classic Colors Kit. Includes 2 of Each Colors: White, Blue & Green and 1 of Each Colors: Beige & Gray. System includes 200 rings with dispensers and a rack to hold them organized and accessible for use. Autoclavable up to 136C/275F. Not made with natural rubber latex. For color-coding instruments. Pre-packaged in a convenient dispenser. Latex-free. E-Z ID Ring System provides organized storage for rings until the next application. The system comes in a convenient dispenser that is pre-packaged and easy to use.E-Z ID Rings have smooth rounded edges and fit most hand instruments with a 1/4" diameter.