HIGH QUALITY: The grease gun coupler is made from high quality metal and is extremely durable, this grease gun coupler offers good durability and more consistent performance. Fuel saving design: Reinforced jaws ensure long lasting and consistent performance, use this tool to instantly upgrade your grease gun and start saving fuel and time. Ergonomic design: The upgraded one-handed handle is designed to be long and non-slip for easy, convenient and ergonomic one-handed operation to open or close the grease gun fitting. Wide range of applications: The grease gun fitting is compatible with all 1/8" NPT standard grease gun tips, small grease gun tips etc. Suitable for metric fittings. Ideal for lubricating machinery and equipment on construction sites, car repair shops, farms, factories etc. Package contents: You will receive 1 x sturdy 6 jaw grease gun coupler. The upgraded thickened spring provides a strong lock and prevents leaks when filling with lubricant without waste or mess.