LOCK AND SEAL - Grease gun coupler jaw design makes it easier to open and close the grease fitting, reinforced jaws and high-quality sealing gaskets ensure long-lasting and stable performance, no leaks even at 17,000 PSI extreme pressure. High Quality - Made of high-quality refined iron, it can perform all-weather indoors and outdoors, stable and reliable. One-Handed Operation - Double handle anti-slip design and smooth retract mechanism allow for one-handed operation, easy to install/remove. Once locked onto the grease gun accessory, it stays open and frees both hands to operate the grease gun. WIDE APPLICATIONS - Compatible with 14mm standard, micro, battery, pneumatic, manual grease guns and fittings, it also fits M6/M8/M10/M12/M14 grease fittings, just replace your existing grease gun coupler. Colour:Chrome Material:iron Package Contents: 2 x Grease Nipples Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.