Features SUITABLE FOR MOST GREASE PRESSES: The portable grease gun coupling is suitable for all 1/8" NPT standard grease guns, pneumatic grease guns, manual grease guns, electric grease guns as well as all DIN and SAE nozzles and all SAE and metric zerk accessories PERFECT REPLACEMENT: easy to install and use, just replace your existing butter gun coupling Durable material: the butter gun coupling is made of alloy steel and is durable enough to be used all day long Wide range of applications: this robust butter gun tool is suitable for repairing motor vehicles, construction site machinery, axles and drive trains. Also ideal for lubricating agricultural tractors, plows, pile diggers, disc harrows, planters etc. Efficient and practical: the grease gun coupling supports efficient work and allows the handling of a wide range of machines in one machine Specification: Item Type: Grease Gun Coupling Material: alloy steel. Package list: 1 x grease gun coupling Package List 1 x Grease Gun Coupler