[Small size] This grease fitting is easy to use in tight spaces. Smooth retraction mechanism enables one-handed operation. When the grease nipple is locked onto the nipple, it remains open, freeing both hands to operate the grease tool.[Up to 10,000 PSI locking and sealing] Reinforced jaws and high-quality seals ensure long-lasting and stable performance and prevent leakage even at extreme pressures of 10 000 PSI.[Unique design] The extended grease nozzle provides access to recessed mechanical parts, allowing the grease nipple to be found in blind spots.[Robust and durable] Made of high quality stainless steel, the grease fitting is durable and ideal for continuous use without breakage, leakage , twisting or typical wear and tear. The springs work well and ensure smooth sliding throughout the life cycle. [Compatible with all grease tools and grease nozzles] Suitable for standard grease tools, including mini grease tools. It also fits all DIN and SAE grease fittings, simply replace the existing grease tool fitting.