Schley Harmonic Damper Pulley Puller 97400B The Schley Harmonic Damper Pulley Puller is a specialized hand tool designed to effectively remove stubborn harmonic dampers from pulleys. Manufactured by Schley, this puller is specifically designed with a manufacturer part number of 97400B, ensuring compatibility and quality. Whether you are a professional mechanic or a DIY enthusiast, this tool is essential for efficiently and safely removing damaged or mislocated harmonic dampers, making repairs and maintenance more convenient and hassle-free.