Function Used to lock the camshaft, remove or install the timing chain and timing belt, and align the camshaft to the correct position, ensures precise timing when changing chains. Practical Designed to hold the sprocket or chain in place when disassembling for installation, which saves you a lot of trouble at work. Compatible Compatible with Mercedes-Benz M276 M278 M272 M273. Premium Material Made of top quality solid steel with smooth black finish, impact and abrasion resistant, durable and corrosion resistant for a long service life. Service ZKTOOL aims to provide professional and comprehensive auto repair tools and services in the auto repair industry. If you have any questions, please contact us via email. We will provide the best solution.