48", Ecotech Bamboo Wood Level, Features Angle Metal Binding, Durable Rubber End Caps, Hand Set Dual Vials, Improved Shatter Proof Vial Windows, Strong, Durable, Tough Laminated Bamboo Frame, Abrasive Resistant, Easy Clean Bamboo Frame, Flush Mounted Protective Metal Bindings. EZ Clean Clear Coating For Easy Mortar Adhesion.