Johnson Level & Tool 1741-4800 Aluminum Box Level, 48" SurroundView vials reflect ambient light for easy-read Screwed on hand grips stay on tool Solid block acrylic vials won't fog, leak or break Protective end-caps Lifetime Accuracy Warranty: Johnson Level warrants this product against defects in material and workmanship for life. The company will replace or repair the product if it fails under normal use. Bent level frames void warranty. This warranty is limited to the repair or replacement of the product only.