1. Heavy duty chrome vanadium steel: ensures longlasting performance even under heavy use. Made of sturdy chrome vanadium steel, this valve spring tool goes through a heat process for improved hardness and durability. 2. Rustproof aesthetics: thanks to the antirust blackening technology, this valve spring tool not only resists rust, but also looks . With a look even in humid conditions, it will last longer than ever. 3. Effortless locking handle: Modernize valve spring work with ease. The advanced flowershaped locking handle supports effortless maintenance and eliminates hand cramps, ensuring efficient and comfortable use. 4. Advanced puller feet: The thickened puller feet of our valve spring tool are made with a onepiece moulding and a temperature heat process to ensure strength and durability. The reinforced feet make the installation or removal of the valve spring easy and efficient, allowing for smooth function and precise performance for extended use.