Title: Phototach Lead Allows RPM measurement of any rotating device from 1-9,999 RPM. The TabsOverview SKU: 3500-33 Categories: Electronic DiagnosticsElectronics TestersSpecial Puppose Testers SpecsProduct Dimensions: 9.5 × 6.8 × 5.5 inShipping Weight: 1.55 lb DownloadsHigh Resolution Images: https://otctools.com/sites/default/files/3500-33_1019_0.jpg Videos