LEVEL CAST ALUM 72". Kraft Tools 72" lightweight extruded aluminum grade is highly durable, making it an excellent choice for many types of jobs. Features a heavy-duty L-beam frame and three solid-set bottles that include two plumb levels and one plumb level leveling of different positions. Each bottle has a cat's eye yellow color to make reading much easier and also features permanent lines that wear out or fade. Its level top, in turn, features easy-to-read measurements in centimeters and inches It also features a full-length magnetic edge for added versatility and works like a metal pin on the frame.