Feature: 1. SUITABLE FOR MOST GREASE GUNS: The portable grease gun coupler is suitable for all 1/8in 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 2. PERFECT REPLACEMENT: Easy to install and operate, simply replace your existing butter gun coupler 3. DURABLE MATERIAL: The butter gun coupler is made of alloy steel and is durable enough to support all day use 4. WIDE RANGE OF APPLICATIONS: This rugged butter gun tool is suitable for automotive repair, site machinery, axles and drivetrains. Also an ideal choice for lubricating agricultural tractors, plows, pile diggers, disc harrows, planters, etc. 5. EFFICIENT AND PRACTICAL: The grease gun coupler supports efficient work and can be used to handle a wide range of machines in one machine Specification: Item Type: Grease Gun Coupler Material: Alloy steel . Package List: 1 x Grease Gun Coupler