Hydraulic Cylinder Repair Tool Kit (17PCS)fits for loaders, skid steers, etc. Application : For Hydraulic Cylinder skid steers, loaders, backhoes, etc. Features:This tools kit can be used in many circumstances, most of the time, some of these tools can fix your hydraulic cylinder of many machines, so if you have a variety of equipment, or if as a professional maintenance technician, this set of tools is your best choice. High quality : Made of high-quality steel and rubber materials, our professional technology makes the products more high-quality, durable and rust-free, which provides great convenience for maintenance workers. 2 Drive gland nut (face pin spanner) wrench.4 tools for removing u-seals. 1 Smooth type Piston Ring Compressor. 3 different sizes allen wrench.