31-1/2" truck tire iron is constructed of premium-quality stock steel, then heat-treated for long-lasting performance. Patented one-piece construction is specially designed for agricultural use. Best when used in pairs. European-style 31-1/2" heavy-duty truck tire iron has a notched end that will hook on the lip of the wheel to easily remove wheel from tire. 7/8" stock. USA made by Ken-Tool.