[Premium Carbon Steel Construction] Crafted from carbon steel this valve spring tool boasts exceptional hardness and rustproof properties. its sturdy build ensures long lasting performance even under heavy use in demanding automotive repair environments. [Adjustable Slider Holding Pliers] Featuring an innovative adjustable design the valve slider holding pliers can be customized to different sizes. the screw adjustment mechanism allows precise control over the pliers opening ensuring secure gripping during installation or removal. [Effortless Spring Installation Removal] The design allows for easy removal and installation of pressure springs on intermediate levers. the integrated valve slider holding pliers simplifies the process of installing valve sliders making your repair work faster and more efficient. [Professional Grade Precision] Engineered with high accuracy and stable performance this professional grade tool delivers unmatched reliability. its precision manufacturing guarantees consistent results making it an essential addition to any mechanic's toolkit for valve spring maintenance. Service: We are very sorry for the shopping experience you have experienced. If you have any problems with the goods you received, please contact us and we will serve you 24 hours a day.