SKF Speedi-Sleeves are a fast and effective way to refinish worn shafts. Installation is possible without having to remove the shaft, and requires no change in seal size. Unlike time-consuming shaft regrinding and refinishing techniques that can produce poor-quality sealing surfaces, Speedi-Sleeve installation is fast and ensures an ideal outer sealing surface every time; go from scored to restored in less than five minutes! Engineered from the finest AISI 304 stainless steel, Speedi-Sleeve sizes cover shaft diameters from .5 inches to 8 inches (12mm to 200mm). Each Speedi-Sleeve comes with an installation tool to ensure proper results. SKF products are designed and manufactured to the highest quality standards, ensuring long life and safety.