Length: 48"Level Dimensions: 1" X 2-1/4"Material: Aluminum BodyVials: 1 Level, 2 PlumbVial Material: ABS PlasticStrong Holding Magnetic Edge Allows Hands Free Use On Ferrous Metal SurfacesHeavy-Duty Frame Assures Durability And AccuracyTop Read Window Maximizes ReadabilityDurable Easy Read Acrylic Vials Are Impact Resistant And Stronger Than GlassQuick Change Replaceable Cover Plates And Vials For In The Field ServiceShock Absorbing End Caps Protects Frame