This instrument silicone marking rings is not only suitable for medical and laboratory fields, but also can be used in beauty salons, nail salons, factories and other various places. Each box contains 80 color coded rings, providing you with a large selection of marking options.Inner diameter: 3.5mm, Outer diameter: 7mm. High Quality: Dental Silicone Code Rings made of medical grade silicone materials fully autoclavable to 135℃ (within 2 minutes) or 121℃(within 5 minutes). Only Show Parts are included. Manual is included to easy installation. Colors may vary upon stock Replacement Part for Pallet Truck specific. Brand Name Generic Model # AA-76-5000 Condition New airgoesin Dental Color Code Rings Multi-Colors Autoclavable Silicone Hygiene Instrument for Instrument Identification Dentist 80pcs/box ... Ships from , Sold... 100PCS 4*6*5MM Silicone Dental Instrument Color Code Rings Multi Color Autoclavable Disinfection Orthodontic Universal Silicone color coded rings are a useful tool for marking and classifying different instruments, tools or equipment. Description 100% brand new and high quality Can be completely sterilized under high pressure at 135℃. Medical grade silicone material. They are suitable for small instruments. Instrument Identification Tape Airgoesin 40pcs Dental Code Rings Silicone Color Code Instrument Rings For Instruments With A Box Dental Instrument Color Code Rings