Ultra-wear-resistant anodized aluminum cylinders are lighter, more durable and leak-proof than traditional steel cylinders. This grease gun is compatible with standard 14-ounce cans and bulk butter. It can pump goods up to 6,000 psi (maximum working pressure), allowing clean grease to be easily injected into gaps. very narrow. The gun drive creates enough leverage for all-day comfort. The rubber coating on the main body provides better grip in wet and slippery conditions. Purge Valve Air quickly eliminates air pockets and air locks. Widely used in automotive and trailer, agricultural, industrial and marine applications such as automobiles, motorcycles, lawn tractors, snow blowers and more.