1. Heavy Duty Double Press Valve Spring Tool Reinforced 12 inch design with a double press mechanism for effortless valve spring removal and installation. Ideal for engines and valve trains, providing stable leverage and reducing manual effort during work. 2. Multi Functional Serves as a seal puller and spring compressor, streamlining valve service, seal replacement, and spring compression in one tool. 3. Wide Compatibility and Adjustable Rotating knob adjusts travel distance, making the tool versatile for various valve sizes and easing disassembly. 4. Compact and Easy to Handle Measures 42 cm / 16.54 inches, allowing precise control in tight engine bays while staying sturdy for professional tasks. Use scenarios Automotive maintenance and engine rebuilds: remove and install valve springs on cars or light trucks, while also pulling seals as part of valve service. Motorcycle and small engine service: access tight spaces and varying valve sizes with adjustable travel for efficient valve work. Professional workshop use: perform valve service, seal replacement, and spring compression during engine disassembly with reliable control and durability.