Hibbs Osteotome 9" Straight 16mm, Net Weight of Instrument 6.95 oz: Hibbs Osteotome is used to scrape or chisel bone, most frequently when precise cutting is necessary. This osteotome is available straight in a wide range of blade widths. This product is straight, 9 inches long. This instrument is available size 16mm and in straight allowing it to be useful in a variety of patient scenarios and surgeon preferences.