Universal set of O-rings for the VOLVO-EC750 excavator The set includes frequently used sizes of o-rings of the world manufacturers Parker and Trelleborg, in the quantity corresponding to the frequency of wear. It is delivered in a strong plastic container, tightly closed with latches, seals are placed in separate compartments, according to size. 2 sizes of OV-ring seals for high-pressure flanges, 2 sizes of square-section seals for high-pressure flanges, 2 sizes of flange seals (SAE), 4 sizes of American standard ORFS seals, 5 sizes of seals for BOSS fittings, total number of seals 390 pcs. * All manufacturer names, part numbers, and descriptions are used for reference only. The seal kit is assembled from high-quality O-rings.