SmartTool - the only level that reads all the angles. SmartTool digitally displays degrees, percent slope and pitch to 1/10 degree accuracy. This tool is extremely durable and will last for years. Easy push button calibration assures years of accuracy. Features audio sound at level and plumb. The number one electronic level for both the professional and serious DIY'er. 24" length - see below for 48" model. SmartTool Level 92288$134.95 48" SmartTool LevelSame featues as above - 48" long 92296$154.95 48" Soft Carrying Case for SmartTool LevelsSoft carrying case for 48 in. SmartTool. Yellow with black trim. 92924$29.95 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.