Key benefits Strong, durable construction: Made from carbon steel for high strength, impact resistance, wear resistance and a long service life. Faster, safer work: Ergonomically designed handle provides a comfortable grip and easier operation, increasing disassembly and reassembly efficiency. Clean, safe finish: Precision-machined, polished surface with no burrs or notches protects your hands and the parts you work on. Versatile press design: Built to press and remove a variety of valve oil (valve stem) seals and valve springs for convenient installation and removal. What this tool solves Reduces the time and effort required to remove or install valve seals and springs compared with improvised methods. Prevents damage to seals, springs and valve stems thanks to the smooth, burr-free contact surfaces. Withstands repeated use in workshop environments because of its wear- and impact-resistant carbon steel construction. Function and compatibility Function: Manual press tool for installing and removing valve oil seals and valve springs. Compatibility: Designed for use with a range of valve oil seals and valve springs; suitable for most common sizes and styles encountered in engine maintenance. (Check seal and spring dimensions before use to confirm fit.) Practical applications / use scenarios Automotive cylinder head service: Remove and install valve stem seals and springs during head rebuilds or seal replacement on cars and light trucks. Small engines and powersports: Service motorcycles, ATVs, scooters, lawnmowers, generators and other small-engine equipment that use valve oil seals and springs. Workshop and mobile mechanics: Reliable tool for routine maintenance and emergency repairs where controlled pressing and removal of valve components is required. Additional notes Handle and pressing surfaces are finished to avoid sharp edges; inspect the tool and workpieces before use. For best results, use appropriate adapters or supports when working with unusually large or small seals to avoid misalignment or part damage.