Famous stockmaker Jerry Fisher says: "In 20 years of stockmaking this is the best inletting scraper I have ever used, and I have tried a few. Just hold like a pencil and work from right to left, or left to right, depending on the direction of the wood grain." Precision-ground from tough alloy tool steel, sharpened and ready to use. Instructions included. Each scraper has two different sized heads. Measurements are Large Scraper 1" and 3/4" cutting head sizes.