Description: Material: This crankshaft spanner is made of high-strength alloy steel, which is heavy in weight, practical in heavy work, very sturdy and resistant to falling, and will not easily crack. Coated with black anti-corrosion paint, achieving anti-corrosion performance and a long service lifePractical Function: To assist in the removal and installation of crankshaft bolt that is universal with the engine. This crankshaft pulley disassembly tool can prevent the harmonic damper pulley from rotating when you remove and set the final specification of the pulley boltEasy Installation: When repairing the engine and power system, it can be used for disassembly and installation, greatly improving convenience. The design feature of this tool is a hexagonal shape, with a hole in the center of the tool that allows for the use of sleeves and extension rods to help loosen or tighten the bolts of the pulleyGreat Fuction: This crank pulley tool 50 mm socket holds the harmonic damper pulley in place, and prevents the harmonic damper pulley from rotating while you're removing and setting the final specification on the pulley boltEasy to Use: This crankshaft pulley wrench holder tool fits for most engines. When servicing the engine and powertrain, it can be used for the removal and installation with great convenience Specification: Material:Alloy Size Chart: 5cm/1.97inch Package Includes: 1Crankshaft Wrench Note: Please allow slightly errors 1-2cm differences due to manual measurement.