A new type of tool that is equal parts useful and nutritious. This set of six wrenches performs standard bolt-turning duties as well as providing 100% of your daily recommended intake for iron. Each 6 ounce wrench is infused with healthful goodness, and is guaranteed to stay with you for miles down the road, unlike a wimpy grocery store energy bar. Ideal for when the trip schedule doesn’t permit time to stop for a bite to eat, or keep a set of Gut Wrenches in your tool kit and you always have an iron-fortified snack at the ready. Each Gut Wrench will provide an immediate weight gain and is a great source of roughage, providing the best intestinal cleanse available. The six wrench set will satiate even the largest appetites and includes an extra assortment of iron fortified bolts, great for a quick rest-stop snack to ward off hunger pangs. Price includes one-time emergency extraction coupon, should you lack the intestinal fortitude for complete digestion (our lawyers made us say that). Specify Metric, Whitworth or American.