This wallet ninja 18 in 1 multi tool is the flat multi tool. It is lightweight yet durable and is made from heat-treated stainless steel. It has six wrenches, four screwdrivers, four openers, two rulers, a fruit peeler and even transforms into a cell phone stand. Use it to open letters, tighten screws, fix glasses, open bottles, cans and even boxes. It is perfect for handymen (or women), mechanics, carpenters, hobbyists, campers, boat owners and gadget-lovers alike and boasts a lifetime guarantee to never rust, bend or dull. Take this tool with you wherever you go; it's about the size of a credit card, so you'll always have space for it.