Features: 1. The grease tool coupler has upgraded jaws and seals to prevent leakage even at 10000 PSI extreme pressure. 2. The body of the heavy-duty grease coupler is made of stainless steel and the handle is alloy steel. 3. The quick lock-on grease coupler adopts a double handle design. 4. The quick release grease coupler is easy to use. 5. The double handle grease coupler has a good spring and can be connected to a hose and hard pipe with a wrench. Specification: Product Name: Gear Type Double Handle Grease Nozzle Features: Double handle design, high-pressure, self-locking Material: Stainless steel body (handle is alloy steel) Size: Type 1: about 12x12x4cm/4.72x4.72x1.57in Type 2: about 15x13x5cm/5.91x5.12x1.57in Nozzle clamping: National standard M6/M8/M10/M12 Adaptation: manual/electric/pneumatic grease syringe universal Packing list: 1*Grease coupler or 1*Grease coupler+1*Hose Note: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2. Please allow slight dimension difference due to different manual measurement. Thank you for your understanding.