Features 1. Locking and Sealing: Upgrade jaw design snaps and quality sealing gasket, strong enough to lock zerk and prevent leakage, and easy to lock and release. 2. One Hand Operation: One handle with anti-slips design and smooth retraction mechanism allows one-hand operation, which is ergonomic and less labor-intensive. Once locks onto zerk fitting, it stays on and frees both hands to operate the grease guns. 3. One Hand Operation: One handle with anti-slips design and smooth retraction mechanism allows one-hand operation. Which is ergonomic and less labor-intensive. Once locks onto zerk fitting, it stays on and frees both hands to operate the grease guns. 4. Wide Compatible: Our grease guns coupler is compatible with most grease guns, mini grease guns, small grease guns ends, especially suitable for excavators, bulldozers, cars, large equipment in factories, tractors, harvesters, etc. Specification Material: Metal Color: Silver Size: 9 x 1 cm Weight: 140 g Pattern: Single handle, Double handle Package Include: 1x Grease Guns Coupler 1x 15 Inch Spring Flex Hose Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it