FSGZDG 4PCS Heavy Duty Grease Gun Coupler Tips Set 1/8" NPT, Working Pressure Rating: 10,000 PSI, 49-16-2649 Replacement Coupler for M18 2448-20, 2449-20 & M12 2450-20

["[Fits all 1/8\" NPT threads, 10000 PSI (689 Bar) Maximum Operating Pressure] This 49-16-2649 heavy-duty grease gun coupler set is built to last. Each fitting is crafted from high-strength steel and rigorously tested to withstand extreme pressures of up to 10,000 PSI (689 Bar).","[This set is compatible with most Hand-operated Grease Guns and Air-Powered Equipmentand] Designed for both hand-operated grease guns and air-powered equipment, it delivers reliable performance in even the most demanding applications. It is ideal for maintaining trucks, tractors, construction equipment, agricultural machinery, trailers, and automotive parts. Whether in a professional repair shop or a DIY garage, it performs flawlessly.","[Secure, Leak-Free Connection Every Time​] Features a precision-engineered 4-jaw locking mechanism that ensures a tight, secure grip on grease fittings to prevent slippage and messy spills. The integrated spring-loaded check ball valve automatically seals the grease flow when disconnected, guaranteeing a clean, leak-free operation and preventing wasted lubricant and contamination.","[Easy to Use] Designed for ease of use, the distinctive knurled grip provides a secure, non-slip surface that allows for a firm grip even when your hands are greasy. The universal 1/8-inch NPT male thread ensures compatibility with most standard grease guns and extension hoses, delivering a smooth, consistent flow of grease and preventing clogs for efficient lubrication.","[Tool-Free Installation] Easy to replace, completely transforming your daily maintenance routine. No special tools required—simply unscrew the old, worn fitting and screw this high-performance fitting directly into place. Snap it onto your grease gun to instantly restore optimal lubrication performance, saving you valuable time and effort."]