SEALTOOL Hydraulic Seal Stretcher & Expander | 35-250mm (1.57”-9.84”) for Excavators & Heavy Equipment The SEALTOOL Seal Installation Tool is a must-have for professionals and mechanics who work on hydraulic cylinders in excavators, loaders, bulldozers, and other heavy machinery. This tool allows for easy, damage-free expansion of seals ranging from 40mm-250mm (1.57"-9.84"), making seal installation faster, safer, and more efficient. ✅ Protects Seals from Damage – Prevents overstretching and tearing, ensuring a perfect seal fit. ✅ Heavy-Duty Aluminum Base – Rust-resistant and lightweight for long-lasting durability. ✅ Wide Application – Ideal for hydraulic repair shops, construction equipment maintenance, and heavy machinery servicing. ✅ Time-Saving & Efficient – Quickly expands seals with minimal effort, reducing installation time. ✅ Portable & Easy to Operate – Compact design allows for single-person use, perfect for professionals on the go. Whether you're a professional technician or a DIY enthusiast, the SEALTOOL Seal Expander helps simplify hydraulic seal installation, ensuring leak-free performance in hydraulic systems.