This is the BEST grease gun to grease bar tips and sprocket bearings that has ever been made, Don't mess with those throw away grease guns when the best doesn't cost but a few dollars more. We have one that we use in our Chainsaw Shop that is over fifteen years old. Dualco™ grease gun uses clever palm operated pump action and has a fine pointed nozzle for getting grease into small spaces. Easy refillable container Cast alloy construction with steel container stores easily in tool box. Maintenance made easy with Dualco™ grease gun, once in a life time, purchase.