1.Made of high quality medical Stainless steel2.With precise processing technology, products in good flesibility and broken -anti ability3.for removing pupl tissue, root canal dead tissue ,scraps cotton teist and fidibus4.High -temperature sterilization is allowable Featrues: Size 20-60# Packaging : 10 pcs The size and lenght as following: 21mm/25mm/28mm20#, 25#, 30#, 35#, 40#, 50#, 60#;20-60# Mixed On Sep-21-18 at 19:46:03 PDT, seller added the following information: FDA Statement:The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item. This item has been cleaned and treated according to the manufacturer's instructions