1Application: Vibration damper holding tool is compatible with 4cyl 8L 0L 4V TFSI EA888 engines, replacement for Seat, the OE number is T10531, to ensure perfect fit. 2Function: Vibration damper assembly holding tool is specially designed to fix the timing chain drive sprocket when installing and disassembling the vibration damper on the 4cyl 8 0 TFSI engine. 3Removing and Installing Damper Pulley: The engine vibration damper tool kit needed to maintain engine timing when removing the front vibration damper and should be used when removing the vibration damper, such as when replacing the front crankshaft oil seal. 4Package Contents: This kit contains counter hold tool, tension pin, turning over tool, knurled nut, this kit is the basic items needed to maintain engine timing when removing the front vibration damper. 5Durable Material: Made of high quality heavy duty steel, high hardness and very strong, not easy to break and deform, externally coated with an anti oxidation layer to prevent rust and prolong service life.