1. Excellent QualityThe grease gun is made of high quality diecast aluminum, with a guaranteed maximum working pressure of 8000 PSI, designed for efficient lubrication to ensure durability and long life. Whether working on machinery or vehicles, it's a reliable choice for smooth operation and optimal performance. 2. Safety PerformanceThe grease gun is equipped with a reliable antidrip mechanism, ensuring grease only flows out when needed, avoiding waste and contamination for more accurate and even grease distribution. The redesigned exhaust valve releases the air bladder with a simple push. 3. Grease Gun with CouplerThe grease gun kit comes with a lock coupler that enhances stability and prevents grease from splashing or spraying, keeping the workspace clean and efficient. The kit includes 1 locking coupler, 1 standard hose, 1 rigid tube and 1 sharp nozzle for versatility and compatibility. 4. VersatilityThe grease gun kit supports 3 filling methods: cartridge, fill pump and bulk. With a 14 ounce capacity, it can hold enough grease to handle the task without frequent refills. The thandle thick pull rod and strong spring with a high pressure plunger oring make greasing extremely smooth.