This scalpel is useful for a variety of scraping and lifting tasks. The blade has a convex bevel, the the sides of the blade are carefully rounded to make it comfortable to hold, and the bevel helps to prevent cutting into the substrate. More images and information of an earlier version. The high carbon steel is hardened to between Rc 50-55. Various hardwood handles, such as ebony, plum or boxwood. Approximately 7 x .5 x .0625"