1. FITMENT: Works on for Cummins B and C series crude oil engines and 5.9L liter crude oil used in pickups<br> 2. 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 turn<br> 3. 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 easy<br> Engine Barring Tool<br> The Old Way of Using a Screwdriver or Pry Bar to Turn the Engine Over is History!<br> High quality ensure great tolerance and good performance<br> Time saver:With this tool it takes less time to turn the engine over or to turn the crank while preforming valve lash adjustment!<br> colour:black<br> Material:metal<br> Package Contents:<br> 1* for Cummins Engine Barring/Rotating Tool<br> Only the above package content, other products are not included.<br> Note: Light 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.