About this item: 【Complete Leak Protection】Seamlessly seal JIC fittings with a comprehensive kit covering dash sizes -04 to -16 for versatile hydraulic applications. 【Industrial-Grade Performance】 Engineered for high-pressure, high-temperature environments, ideal for fluid power systems, test-point diagnostics, and fuel delivery. 【Ultra-Durable Construction】Made from heavy-duty 1045 structural steel with galvanized coating for superior corrosion resistance in harsh conditions. .