1. FITMENT: Works on Cummins B and C series diesel engines and 5.9L liter diesels used in Dodge pickups2. USING:Just insert the tool into the flywheel housing until it engages the ring gear,then attach a 1/2 inch square drive ratchet or breaker bar and turn3. FEATURES:This tool fits the flex plate teeth perfectly,and its load-bearing collar provides friction-free operation while rotating the tool in the housing - Rotating the engine is so easyEngine Barring ToolThe Old Way of Using a Screwdriver or Pry Bar to Turn the Engine Over is History High quality ensure great tolerance and good performanceTime saver:With this tool it takes less time to turn the engine over or to turn the crank while preforming valve lash adjustment colour:blackMaterial:metalPackage Contents:1*Cummins Engine Barring/Rotating ToolOnly the above package content,other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.Products from WUZHOU's store