Features LEAK-FREE DESIGN: The grease gun coupler's improved jaws and high-quality seals prevent leaks and ensure long-term use and stable performance. No more wasted fat everywhere GOOD SPRINGS: The grease gun clutch springs work well and ensure smooth sliding throughout its service life DOUBLE HANDLE: With double handle design, less effort when refueling. The fine texture of the handle provides friction with the palm and prevents accidental slipping DURABLE MATERIALS: The grease coupling is made of high quality alloy steel material, durable and ideal for continuous use without breakage, leakage, deformation or typical wear and tear EASY TO USE: Grease tool joints can be locked and unlocked quickly, easily and conveniently Function: 1. WIDE RANGE OF APPLICATION: This heavy duty butter gun tool is suitable for automotive repair, construction site machinery, axles and drive trains. Also ideal for lubricating agricultural tractors, plows, pile diggers, disc harrows, planters, etc. Specification: Item Type: Double Handle Grease Gun Coupling Material: alloy steel Package list: 1 x Double Handle Grease Gun Coupling Package List 1 x Double Handle Grease Gun Coupler