Category:ESD Tweezer Model:BST-12,ESD-13,ESD-15 Material:302 Stainless steel Magnetism:Non Surface treatment:anti-static coated Tip strength:>HRC40 Length:135mm/115mm/118mm Weight:30g(With package) Made by the high quality stainless steel Anti-corrosion and anti-acid Cutting-edge parts of pure manual polishing,fine workmanship Processed in high temperature and planting anti-static material Tips after a long time use is still super straight