The Hanix 4190101620 is a genuine boom cylinder packing set designed for a wide range of Hanix mini excavators. This essential seal kit ensures optimal hydraulic performance and prevents leaks in the boom cylinder. It is compatible with models including H08, H15, H17, H22, H26, H30, H36A, H50A, H75A, H75C, H120, H150, H220, H260, H300, H360, H500, H750, H1200, H1500, H2200, H2600, H3000, H3600, H5000, H7500. Key dimensions include a rod diameter of 30mm, a bore diameter of 55mm, and a piston diameter of 40mm.