Box Level, Aluminum Frame Material, Length 24 Inches, Non-Magnetic, Top Reading, Total Number Of Vials 3, Number Of Plumb Vials 2, Number Of Level Vials 1, Number Of 30 Degree Vials 0, Number of 45 Degree Vials 0, Illuminated Vials No, Number of V-Grooves 0, Accuracy /-0.0625 in, Vial Type Bubble, Vial Material Acrylic, Number of Magnets 0, General Type None, Color Yellow, Features Purpose, Accurate , lightweight, waterproof.