Features Made of high-quality 304 stainless steel, the surface has been specially treated to make it smooth and corrosion-resistant. The product has passed factory sterilization and can be sterilized by high temperature and high pressure. Using laser engraving technology, it is clear and does not fade Special structural design, does not fall off after marking Any number and pattern can be customized The thinner tip ensures minimal pain to animals and meets laboratory animal welfare requirements.