Stone River Products The Hoser’s Combo Kit, Hydraulic BOSS Flat Face Flange O-Ring Assortment, 90A Buna-N Nitrile, 24 Sizes 565 Pieces for SAE J514 and Code 61/62 Field Service

["All-in-One Hydraulic Seal Assortment for Pros The Hoser’s Combo Kit packs BOSS, Flat Face, and Flange O-rings in one case, built for technicians who need the right seal instantly in the shop or the field.","565+ O-Rings Across 24 Critical Sizes Covers 24 unique hydraulic sealing sizes including hard-to-find large diameters up to 2\" BOSS and 2\" Flange, minimizing downtime and service delays.","90 Durometer Buna-N (NBR) for High Pressure Made from high-performance 90A nitrile to resist extrusion and hold seal integrity in high-pressure hydraulic applications. Excellent resistance to fuel, oil, and hydraulic fluids.","Fits BOSS, Flat Face, and SAE Code 61/62 Flange Systems Designed to support SAE J514 BOSS fittings, flat face seals, and SAE Code 61/62 flange connections commonly used on mobile and industrial hydraulic equipment.","Compact, Labeled, Refillable Case Heavy-use quantities, clearly labeled compartments, and a portable organizer make this ideal for service trucks, maintenance teams, MRO kits, and OEM field support."]