The seal repair kit is a combination set classified by various brands and models of mechanical equipment cylinders or cylinders that require seals. It is generally used for loading and unloading arms (filling arms), cranes, lifting machinery, excavators, scrapers, bulldozers, loaders, hydraulic machines, straightening machines, brick making machines, machine tools, injection molding machines, filling machines, molding machines, and other production equipment, as well as ships, agriculture, construction, forestry, and material handling vehicles and ships.