The Mayes SR12 12" Aluminum Ruler is perfect for making basic measurements at home, in the shop, or in the garage. It is crafted from sturdy, extruded, &lightweight .125" thickaluminum with thermo-bonded embossed graduations in 1/8" &1/16" for easy measuring. It's straight edge is ideal for marking &drawing straight lines. Features hang holes for convenient storage.