Check the listing for details. Excel #20 Chisel Gouge 1/4'' Tip - Model and Hobby Knife Blade - #20320. Condition: New. Listed at 3.58 USD. Excel Product Number: 20320. (2) Large, Straight Carving Gouge. For shaving & carving wood, plastic, wax, and clay. 1.5 x. 312 x. 18in edge. Fits K7 Carving Handle. Made from carbon steel. If we are out of an item, due to an inventory mis-count (i.e. human error), we will attempt to acquire the item from a distributor or the manufacturer to fill your order.