Special Timing ToolFlywheel locking tool is designed for M272, M273, M274, M264, M156, M276 and M642 engines MaterialFlywheel locking tool is made of heavy duty steel, solid construction with heat treated for strength and durability Compact SizeWith size of 11 cm x 6 cm, this tool is compact and easy to handle while working on your vehicle's engine. It can easily fit into any tools box Easy to UseThis engine camshaft alignment timing locking tool is suitable for both professional mechanics and DIY enthusiasts alike High EfficiencyDiesel engine timing tool crankshaft pulley tool allows for precise adjustments making your work more efficient and accurate Specification: Material: Carbon Steel Size Chart: 11cmx6cm/4.33inchx2.36inch Package Includes: 1 PieceFlywheel Locking Tool