EWK Dial Test Indicator Timing Gauge Fuel Pump Tool DTI for VW Audi 0.01mm Accuracy MULTI FUNCTION - The Dial Test Indicator Is Widely Used To Test The Position Of Workpiece And Do Precise Calibration. AUTOMOTIVE USE - The Timing Gauge Is Perfect For Resetting The Timing Position Of Bosch Diesel Injection Pump On Diesel Engines And Checking Run Out On Disc Brakes. COMPATIBILITY - The Dial Gauge With An 8mm Shank Can Fit Into Most Dial Indicator Holders To Provide Accurate Reading, Ensuring Your Injection Pump Is Precisely Timed. 8 mm Range/ 0.01 mm Accuracy I NEED A WHOLE SET - If You Need The Set Including A Dial Indicator And Quality Dial Gauge Adapters, You Can Search " EB0145 " Or " EWK Dial Test Indicator Set " To Get Complete Kits. 1 Pc - Dial Indicator Search For Complement Tools: EB0026 (Extensions &amp; Adapters), EB0145 (DTI Set)